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After Rescue: Evaluation of Strategies to Stabilize and Integrate Adult Survivors of Human Trafficking to the United States, 2006-2011 (ICPSR 36405)

Released/updated on: 2023-09-27
Geographic coverage: United States
Time period: 2006-01-01--2011-01-01

This mixed-methods project examined comprehensive case management services provided from fiscal years 2006 to 2011 to adult survivors of human trafficking born outside of the United States. The purpose was to evaluate the effectiveness of different intervention strategies to stabilize, rehabilitate, and integrate survivors into wider society. Case management services were funded by the Anti-Trafficking in Persons (ATIP) Program of the Office of Refugee Resettlement (ORR) under the Per Capita Reimbursement Contract administered by the U.S. Conference of Catholic Bishops (USCCB). Several data sources were used for analysis: 1) A longitudinal, relational database of survivor cases as reported electronically by subcontracted social service providers throughout the United States, 2) intake assessment and case notes, and 3) group discussions and in-depth interviews with service providers to gain an understanding of the processes and dynamics involved in protecting survivors from repeat victimization and facilitating their reintegration into the mainstream society.

Two datasets are included in this collection: the Base dataset (DS1), a cleaned and merged version of USCCB records, and the Analysis dataset (DS2), which includes all base items and variables constructed for analysis. The qualitative interview data will be made available at a future date.

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Assessing the Validity of Voice Stress Analysis (VSA) Tools in a Jail Setting in Oklahoma City, Oklahoma, 2006 (ICPSR 20625)

Released/updated on: 2008-06-23
Geographic coverage: Oklahoma City, United States, Oklahoma
Time period: 2006-02-28--2006-03-24
The purpose of the project was to assess the validity of two Voice Stress Analysis (VSA) tools currently on the market: the Layered Voice Analysis (LVA) and the Computer Voice Stress Analyzer (CVSA). The methodology and sampling protocols for this study were derived from the pre-existing methodology and sampling techniques employed in the National Institute of Justice-funded Arrestee Drug Abuse Monitoring (ADAM) program that operated in Oklahoma County from 1998 to 2004. The researchers interviewed arrestees in the Oklahoma County jail about their recent illicit drug use during the months of February and March 2006. The VSA data collected using each of the software systems in this study were sent to certified examiners from CVSA and LVA for their analysis. After the completion of the interview, the subjects were asked to complete the data collection process by supplying urine specimens. Answers from the 319 respondents were compared to the results of a urinalysis test to determine the extent to which they were being deceptive. Then, their "actual deceptiveness" was compared to the extent to which deception was indicated by the VSA programs. The dataset contains (1) demographic information obtained from the official booking records, (2) responses to survey questions about recent drug use, (3) the results of a urinalysis test on five drugs, (4) variables recording "deception" or "no deception" on each of the drugs, and (5) decisions by novice and expert analysts regarding the indication of deception.
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Assessment of National and State Tip Line Technology as a Strategy for Identifying Threats to School Safety, [United States], 2018-2021 (ICPSR 38329)

Released/updated on: 2024-01-16
Geographic coverage: Oregon, United States
Time period: 2018-01-01--2021-01-01

The Assessment of National and State Tip Line Technology as a Strategy for Identifying Threats to School Safety was conducted by RTI International, in partnership with the Oregon State Police, from 2018 through 2021. The project was designed to describe the national prevalence and characteristics of school safety tip lines, and to develop lessons learned on successful implementation approaches by conducting a case study with the SafeOregon tip line. The three main goals of the project were to:

  1. Describe the prevalence and variability of tip line technology in public middle and high schools across the U.S. through a national survey of school administrators (Component 1).
  2. Evaluate the relationship between tip line technology implementation and school safety by augmenting the national survey data with publicly available data on student disciplinary and school safety outcomes from the Department of Education's Civil Rights Data Collection (CRDC) (Component 2).
  3. Assess the implementation experiences, outputs, and costs through an in-depth case study in the state of Oregon (Component 3).

For component 1, RTI conducted a national survey of public middle and high school administrators. For component 2, RTI conducted a national evaluation of school tip lines and measures of school safety, merging the national survey findings with eleven offense categories schools reported to the Department of Education's Civil Rights Data Collection (CRDC).

For Component 3, the team set out to better understand how tip lines are implemented, the characteristics or features of these systems, challenges school administrators face during implementation and use, and perceived effectiveness. Using a mixed-methods design, researchers analyzed the efforts to implement and operate Oregon's SafeOregon statewide school tip line program and present data from the national survey for context. Case study objectives included identifying the (1) prevalence and school characteristics of tip line use; (2) basic operational characteristics of tip lines, including partnerships, staffing, tip submission and triage processes, and anonymity and confidentiality; (3) barriers and challenges involved in tip line implementation; and (4) perceived impact of tip lines. This qualitative assessment was informed by interviews with key stakeholders, school administrators and students. As part of the final component, RTI analyzed tip line data from the SafeOregon statewide tip line program (2018-2020).

Data and documentation from the qualitative interviews (student focus groups and school-level stakeholders) will be made available at a future date.

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Breaking the Cycle of Drugs and Crime in Birmingham, Alabama, Jacksonville, Florida, and Tacoma, Washington, 1997-2001 (ICPSR 3928)

Released/updated on: 2006-03-30
Geographic coverage: Tacoma, United States, Alabama, Florida, Birmingham, Jacksonville, Washington
Time period: 1997-01-01--2001-01-01
This study was an evaluation of the Breaking the Cycle (BTC) demonstration projects conducted in Birmingham, Alabama, Jacksonville, Florida, and Tacoma, Washington, between 1997 and 2001. The BTC demonstrations tested the feasibility and impact of systemwide interventions to reduce drug use among offenders by identifying and intervening with drug-involved felony defendants. This study contains data collected as part of the impact evaluation of BTC, which was designed to test the hypotheses that BTC reduced criminal involvement, substance abuse, and problems related to the health, mental health, employment, and families of felony drug defendants in the demonstration sites. The evaluation examined the relationship between changes in these areas and characteristics of the participants, the kinds and levels of services and supervision they received, and perceptions of defendants about the justice system's handling of their cases. It also assessed how BTC affected case handling and the length of time required to reach a disposition, the number of hearings, and the kinds of sentences imposed. The impact evaluation was based on a quasi-experimental comparison of defendants in BTC with samples of similar defendants arrested in the year before BTC implementation. Interviews were conducted with sample members and additional data were gathered from administrative records sources, such as the BTC programs, arrest records, and court records.
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Bruising as a Forensic Marker of Physical Elder Abuse in Orange County, California, 2006-2008 (ICPSR 28144)

Released/updated on: 2012-12-21
Geographic coverage: United States, California
Time period: 2006-07-01--2008-05-01
The purpose of the study was to describe bruising as a marker of physical elder abuse. Consenting older adults were examined to document location and size of bruises and assess whether they were inflicted during physical abuse. An expert panel confirmed physical abuse. A research nurse conducted study assessments on 67 adults aged 65 and older reported to Adult Protective Services for suspected physical elder abuse in Orange County, California between July 2006 and May 2008. The study contains a total of 142 variables including age, sex, ethnicity, functional status, medical conditions, cognitive status, history of falls, bruise size, bruise location and color, recall of cause, and responses to the Revised Conflicts Tactics Scales (CTS2) and to the Elder Abuse Inventory (EAI).
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Consequences of Childhood Exposure to Intimate Partner Violence in Chicago, Illinois, 1994-2000 (ICPSR 20344)

Released/updated on: 2008-04-15
Geographic coverage: United States, Chicago, Illinois
Time period: 1994-01-01--2000-01-01
This study used data from the first two waves of the Project on Human Development in Chicago Neighborhoods (PHDCN) to analyze the consequences of childhood exposure to intimate partner violence. The researcher for this study attempted to make four contributions: (1) provide theory driven research in the field of intimate partner violence, (2) do practical research, (3) strike a balance between the resolution of measurement problems and the examination of concrete outcomes, and (4) use high quality data and advanced statistical techniques to adjudicate between conflicting findings in existing literature. The nine data files used in this study were drawn from multiple imputed iterations using the Expectation-Maximization (E.M.) algorithm and data augmentation to address missing data. They included data from two waves of the PHDCN, with 4,955 records for each wave. The data included information for subjects aged 0 to 18 and covered the years 1994 to 2000. The researcher used various scales to measure domestic violence exposer, the impact of exposure on the child's cognitive functioning, the behavioral impact of exposure to domestic violence, anxiety, and the parent-child relationship. Data include the variables that the researcher used to study the effect of domestic violence exposure on not only externalizing, internalizing, and total behavior problems, and academic and cognitive ability, but also truancy, grade repetition, and drug use. This study also contains a selection of variables from several PHDCN studies including those pertaining to intimate partner violence, child abuse, juvenile delinquency, deviance of peers, alcohol use, primary caregiver involvement in the subject's life, and demographics.
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Custody Evaluations When There Are Allegations of Domestic Violence: Practices, Beliefs and Recommendations of Professional Evaluators in New York City, 1997-2009 (ICPSR 30321)

Released/updated on: 2013-01-31
Geographic coverage: New York City, United States, New York (state)
Time period: 1997-01-01--2007-01-01, 2007-01-01--2009-01-01
The purpose of this study was to investigate the impact of the beliefs and investigative practices of psychologists, psychiatrists, and social workers who had been appointed by a court to evaluate families in disputed custody cases when there were allegations of domestic violence. The research team conducted a Case Review study (Part 1) and administered an Evaluator Survey to corresponding case evaluators (Part 2) between August 2007 and December 2009. The case review study was implemented through four private non-profit legal services agencies in New York City that provide free legal representation to domestic violence victims in civil proceedings including custody and visitation litigation. A total of 69 cases involving custody or visitation issues that were litigated and resolved between 1997 and 2007 were identified for inclusion in the study. The case review study involved the development of a Coding Scale for Custody Evaluations with Domestic Violence (DV) Allegations in order to rate the characteristics of the custody evaluations and the court outcomes. Raters coded each of the 69 cases in the case review sample with the Evaluation Coding Scale. The research team administered the Evaluator Survey (Part 2) to 14 custody evaluators who had completed evaluation reports for the cases in the Part 1 case review study.
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Developing a Common Metric for Evaluating Police Performance in Deadly Force Situations in the United States, 2009-2011 (ICPSR 33141)

Released/updated on: 2014-06-18
Geographic coverage: United States
Time period: 2009-07-01--2011-09-01
This study developed interval-level measurement scales for evaluating police officer performance during real or simulated deadly force situations. Through a two-day concept mapping focus group, statements were identified to describe two sets of dynamics: the difficulty (D) of a deadly force situation and the performance (P) of a police officer in that situation. These statements were then operationalized into measurable Likert-scale items that were scored by 291 use of force instructors from more than 100 agencies across the United States using an online survey instrument. The dataset resulting from this process contains a total of 685 variables, comprised of 312 difficulty statement items, 278 performance statement items, and 94 variables that measure the demographic characteristics of the scorers.
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Developing Knowledge About What Works to Make Schools Safe: Implementation and Evaluation of Tools for Life to Improve School Climate and Safety in Jackson Public School District, Mississippi, 2016-2018 (ICPSR 37600)

Released/updated on: 2023-01-30
Geographic coverage: Jackson (Mississippi), Mississippi, United States
Time period: 2016-01-01--2018-01-01

Tools for Life: Relationship-Building Solutions (TFL) is a program designed to improve school climate and safety through the proactive development of elementary and middle school students' interpersonal skills (relationship-building and communication) and intrapersonal skills (self-regulation and resiliency). In the 2016-2017 and 2017-2018 school years, the Jackson (Mississippi) Public School District (JPSD) implemented TFL in grades 1 through 8. RAND researchers conducted a randomized controlled trial to determine whether TFL, integrated into existing school practices, positively affected school climate and safety in the district.

This project described the implementation of TFL in JPSD, calculated its costs, and evaluated the program's effectiveness. TFL was designed to improve whole-school change in relationships among staff and students, but the project researchers found that implementation of TFL in JPSD schools was generally shallow, and the program was rarely, if at all, implemented across a whole school as it was designed. TFL had little impact: After one year of implementation, there were no practically or statistically significant differences between schools that implemented TFL and those that did not in measures of students' social and emotional, school climate, behavioral, or achievement outcomes. In addition to the uneven implementation of the program, methodological limitations of the study and contextual factors in JPSD may have contributed to these finding.

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Effect of Prison Based Alcohol Treatment: Treatment and Recidivism Data from Montana, Ohio, and Texas, 2006-2012 (ICPSR 34928)

Released/updated on: 2017-02-03
Geographic coverage: Montana, United States, Texas, Ohio
Time period: 2006-07-01--2012-05-01, 2009-07-01--2012-09-01, 2008-03-01--2011-12-01

This study evaluated program design, quality of treatment delivery, and program effectiveness of three separate state sponsored alcohol specific treatment programs in prisons located in Montana, Ohio, and Texas from 2006 to 2012.

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Environmental Scan of Family Justice Centers in the United States, 2016-2017 (ICPSR 36973)

Released/updated on: 2018-05-15
Geographic coverage: United States
Time period: 2016-01-01--2017-01-01

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information in needed.

This study conducts an environmental scan of current Family Justice Centers (FJCs) across the United States as part of a multi-phase effort to develop a formal evaluation plan to measure the effectiveness of FJCs and similar multi-agency co-located collaboratives.

The collection contains 1 SAS data file (fjc_analysis_nacjd_20180226.sas7bdat (n=52; 813 variables)) and 1 syntax file.

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Evaluating the Impact of Probation and Parole Home Visits, United States, 2016 and 2018 (ICPSR 37172)

Released/updated on: 2020-09-29
Geographic coverage: United States, Ohio, Minnesota

In 2014, the researchers began work on a grant from the National Institute of Justice to evaluate the effectiveness of home and field contacts in community supervision. The study was designed to describe the varying practices of home and other field contacts in community supervision, to document their use nationwide, and to evaluate their effectiveness in maintaining public safety and promoting compliance with supervision requirements. The research is designed to address the gap in the understanding of home and field contacts as part of community supervision.

While home and field contacts with clients are common practice within many probation and parole agencies, little is known about how they are conducted, the goals of their use, and whether they impact client outcomes. Researchers conducted a mixed methods study of home and field contact practices within multiple agencies. A nationwide survey of community supervision agencies at the federal, state, and local levels was conducted to understand common policies and practices for home and field contacts. To analyze the effectiveness of home and field contacts, quasi-experimental designs were employed using administrative data. To understand the activities that make up home and field contacts and the goals behind them within each agency, officers were asked to complete a qualitative home and field contact checklist and participate in focus groups.

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An Evaluation of 24/7 Sobriety Program Implementation, North Dakota, 2001-2015 (ICPSR 37369)

Released/updated on: 2024-01-30
Geographic coverage: United States, North Dakota
Time period: 2001-01-01--2015-01-01

The 24/7 Sobriety Program was created in South Dakota in 2005 to reduce repeat driving under the influence (DUI) offenses and jail populations, with the idea being to compel DUI defendants to abstain from alcohol and/or drug use for a period of time (Jackley and Long, 2017). The evidence-based program works as a continuous monitoring program where DUI defendants submit to scheduled and/or random testing for controlled substances. If a participant does not appear for testing or tests positive, they are subject to swift, certain, proportional, and consistent sanctions (e.g., immediate short-term incarceration). Compliant participants receive immediate positive feedback. As of March 2017, 24/7 Sobriety programs were authorized in 9 states: South Dakota, North Dakota, Montana, Washington, Idaho, Wyoming, Wisconsin, Utah, and Alaska.

In this study, the research team examined the implementation of the 24/7 Sobriety program in South Dakota, Montana, North Dakota, Jacksonville (Duval County), Florida, and Yavapai County, Arizona. The researchers sought to answer questions about the program's mechanics and effectiveness across several states, and to illuminate what aspects of program delivery are central to achieving outcomes that are relevant to criminal justice researchers and practitioners, such as recidivism, public safety, and alternatives to incarceration. This multi-site, mixed-methods evaluation consisted of secondary analysis of administrative program data and arrest records from North Dakota, case studies of pilot programs in Jacksonville and Yavapai County involving stakeholder interviews and on-site observations, and secondary analysis of breathalyzer test results from South Dakota, North Dakota, and Montana.

The North Dakota 24/7 Sobriety implementation and outcomes data are a county-by-month panel of driving under the influence of alcohol (DUI) arrest events compiled from state Department of Transportation reports and a set of variables based on restricted 24/7 Sobriety program data describing program implementation by county in North Dakota from 2008 to 2015, with pre-program arrest data dating back to 2001.

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Evaluation of Safe Harbor Laws and Their Impact on the Commercial Sexual Exploitation of Children, United States, 2015-2018 (ICPSR 37497)

Released/updated on: 2022-04-28
Geographic coverage: United States
Time period: 2005-01-01--2017-12-31

The Institute of Medicine and National Research Council in 2013 called for a paradigm shift within the justice system, toward treating minors involved in commercial sex as victims instead of criminals. Their call ultimately led to a proliferation at the state level of safe harbor laws--laws designed to remove the punitive sanctions for young victims of commercial sexual exploitation. The goal of this study was to begin measuring the impact of safe harbor laws. The methodology blends quantitative and qualitative analyses in a three-phase design.

Phase 1, a legal review, concentrates on the evolution of safe harbor laws in the United States. It presents an overview of Commercial Sexual Exploitation of Children (CSEC), details the philosophy and conceptualization of safe harbor laws, and presents findings regarding state-level efforts to adopt safe harbor laws.

Phase 2 uses elements of the legal review to conduct a quantitative assessment of safe harbor laws employing a quasi-experimental, longitudinal design to compare counties that have and have not implemented safe harbor laws over an 11-year period (2005-15).

Phase 3 involves an in-depth qualitative assessment of two states: one that implemented safe harbor laws and demonstrated positive outcomes, and one that implemented safe harbor laws without demonstrating positive outcomes.

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Evaluation of the Bureau of Justice Assistance Sexual Assault Kit Initiative, United States, 2018 (ICPSR 37897)

Released/updated on: 2022-03-30
Geographic coverage: United States

Since 2015, the Bureau of Justice Assistance (BJA) has funded sites to engage in reforms intended to improve the national response to sexual assault cases. The goals of this initiative are to (1) create a coordinated community response that ensures just resolution to unsubmitted sexual assault kit (SAK) cases through a victim-centered approach and (2) build jurisdictions' capacity to prevent the development of conditions that lead to high numbers of unsubmitted sexual assault kits. Site efforts to address these issues include agencies such as law enforcement, prosecution, forensic laboratories, and victim advocacy service organizations. Westat was awarded a contract by the National Institute of Justice (NIJ) to assess components of BJA's Sexual Assault Kit Initiative (SAKI). The study includes (1) an evaluability assessment of 17 sites to determine their readiness for an evaluation, (2) a process evaluation and system reform assessment of the 17 sites, (3) a feasibility assessment of using case level data for an outcome evaluation, and analysis of a subset of unsubmitted SAK cases to identify how characteristics of incidents, offenders, and victims are associated with case processing decisions and outcomes, and (4) development of a long-term outcome evaluation plan.

Two sources of data are archived with NAJCD: (1) coded qualitative data from primarily on-site interviews the Westat Team conducted in 2018 with stakeholders from 17 of the fiscal year (FY) 2015 SAKI grantees and 2 private lab facilities and 2) quantitative case-level data from the 2 FY 2015 SAKI grantees on SAKI cases associated with previously unsubmitted sexual assault kits that were determined to contain foreign DNA or biological evidence through laboratory testing. The interview data file contains coded data from 172 interviews the research team conducted with one or more agency representatives regarding their organization's goals, strategies, and activities for processing sexual assault kits, and associated lessons learned, challenges, and expected outcomes. The quantitative case-level data file includes case-level information on 576 sexual assault kits determined to have DNA and associated cases included in the 2 sites' SAKI inventories. The case-level data captures information on case or offense-level information (e.g., date of offense, date offense reported to police, number of victims and suspects involved, investigation and prosecution activities), victim-level information (e.g., victim age, sex, race, participation in investigation), and suspect-level information (e.g., suspect's age, race, sex, criminal history).

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Evaluation of the Hawaii Opportunity Probation with Enforcement (HOPE) Community Supervision Strategy, 2007-2009 (ICPSR 27921)

Released/updated on: 2011-07-06
Geographic coverage: United States, Honolulu, Hawaii
Time period: 2007-01-01--2009-01-01
The purpose of the study was to evaluate the Hawaii Opportunity Probation with Enforcement (HOPE) community supervision strategy for substance-abusing probationers. The study involved the administration of key stakeholder surveys as part of a process evaluation of the HOPE program and the comparison of HOPE probationers with control-group probationers on two primary outcome measures: no-shows for probation appointments and positive urine tests for illicit-substance use. For Part 1 and Part 2, data were collected from administrative data sources. Missed Appointments Data (Part 1) were collected from 2007 to 2009 on a total of 1,174 probationers including 1,078 HOPE probationers, 78 comparison probationers, and 18 probationers for which study group information was not available. Specifically, for Part 1, the research team compiled data on the proportion of missed appointments in the three-month period before the study start date (baseline), in the three-month period following baseline, and in the six-month period following baseline. Drug Test Results Data (Part 2) were collected from 2007 to 2009 on the same 1,174 probationers. Specifically, for Part 2, the research team compiled data on the proportion of positive urine tests in the three-month period before the study start date (baseline), in the three-month period following baseline, and in the six-month period following baseline. Stakeholder survey data were collected from September 2008 through March 2009 on 50 Integrated Community Sanctions or "Specialized Unit" probationers (Part 3), 28 probationers in treatment (Part 4), 16 probationers in jail (Part 5), 20 probation officers in the Integrated Community Sanctions Unit (Part 6), 11 public defenders (Part 7), 12 prosecutors (Part 8), 7 judges (Part 9), and 11 court staff (Part 10). Part 1 contains a total of eight variables including group (high intensity or control), demographics, and mean missed appointments scores for three periods. Part 2 contains a total of eight variables including group (high intensity or control), demographics, and mean positive urine tests for illicit-substance use scores for three periods. The Integrated Community Sanctions Probationers Survey Data (Part 3), the Probationers in Treatment Survey Data (Part 4), and the Probationers in Jail Survey Data (Part 5) each include variables about the respondent's general perceptions and opinions of the HOPE program. Part 3 contains 24 variables, Part 4 contains 30 variables, and Part 5 contains 30 variables. The Probation Officers Survey Data (Part 6), Public Defenders Survey Data (Part 7), Prosecutors Survey Data (Part 8), Judges Survey Data (Part 9), and Court Staff Survey Data (Part 10) include variables about workload issues and the respondent's general perceptions and opinions of the HOPE program. Part 6 contains 65 variables, Part 7 contains 45 variables, Part 8 contains 55 variables, Part 9 contains 36 variables, and Part 10 contains 36 variables.
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Evaluation of the Juvenile Breaking the Cycle Program in Lane County, Oregon, 2000-2002 (ICPSR 4339)

Released/updated on: 2006-09-21
Geographic coverage: Oregon, United States
Time period: 2000-04-01--2002-11-01
This study was conducted between April 15, 2000 and November 15, 2002 to evaluate the effects of the Juvenile Break the Cycle program (JBTC) in Lane County, Oregon on the interim and longer-term outcomes for juvenile offenders who were deemed high risk and had a history of alcohol and/or other drug use. The study was conducted using three waves of interviews as well as administrative data. The baseline interview was given to and administrative data were collected on 306 juveniles. The 6-month follow-up interview was completed by 208 juveniles and the 12-month follow-up interview was completed by 183 juveniles. Variables included in the study are history of alcohol and/or other drug use, diagnosis of mental health problems, history of previous contact with the juvenile justice system, substance abuse risk score, total risk score, and history of substance abuse treatment or mental health counseling. Variables related to JBTC include program assignment, the number of drug test administered between interviews, and the number of positive drug tests.
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Evaluation of the My Life My Choice (MLMC) Program for Victims of Sex Trafficking, Connecticut, Florida, Massachusetts, and New Jersey, 2015-2018 (ICPSR 37599)

Released/updated on: 2021-05-25
Geographic coverage: United States, Massachusetts, Connecticut, Florida, New Jersey
Time period: 2015-01-01--2018-01-01

Commercial sexual exploitation (CSE) is an increasingly urgent problem for criminal justice systems in the United States. Despite the staggering individual and societal consequences of CSE, evidence-based prevention and intervention programs are profoundly lacking. This study used a quasi-experimental, mixed methods, longitudinal follow-up design to evaluate a service provision program for CSE survivors or those identified as high-risk for CSE, My Life My Choice (MLMC). Researchers followed youth who received MLMC services from baseline to multiple follow-up points to see how they progressed over time in terms of building up resistance to being sexually exploited.

Youth received one of two different type of MLMC services. One group (Source 1) received one-on-one survivor mentoring, otherwise known as "tertiary prevention." Participants in this program are paired with mentors who have been trained and free from CSE for at least five years. Mentors provide long-term and consistent emotional support to exploited youth or those MLMC believes are at high-risk for exploitation. The Source 1 youth were recruited only from Massachusetts. They participated in quantitative and qualitative data collection at baseline, six months post-baseline, and 12 months post-baseline.

A second group (Source 2) received 3-10 sessions of a psychoeducational prevention group following the MLMC curriculum, otherwise known as "secondary prevention." These groups are led by trained facilitators and are intended for youth at high-risk for exploitation. Participants are taught about sexual exploitation, healthy relationships, sexual health, and how to find help. Source 2 youth received MLMC services in Massachusetts, Florida, New Jersey, or Connecticut. They participated in quantitative data collection at baseline, time of the last group session, and six months post-baseline.

Measured outcomes included instances of sexual exploitation in the past six months, frequency and type of substance use, partner abuse victimization, and housing stability. Researchers hypothesized that, among the secondary prevention group, youth who chose to interact with MLMC staff more often (in terms of attending educational sessions) would score higher on desired outcomes than those frequently absent or who do not interact with staff as often. Among the tertiary prevention group, researchers hypothesized that those who participated would demonstrate improved outcomes from baseline to six months and baseline to 12 months.

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Evaluation of the OJJDP FY2010 Second Chance Act Juvenile Offender Reentry Demonstration Projects, 5 United States cities, 2010 (ICPSR 37212)

Released/updated on: 2022-11-10
Geographic coverage: United States, Oklahoma, Virginia

In response to growing concerns about recidivism and the welfare of youth who return to communities from incarceration, the federal government passed the Second Chance Act (SCA) in 2008 to authorize funding to support the development, implementation, and evaluation of juvenile reentry programs (H.R. 1593, 110th Cong. 2007). Since then, more than 100 juvenile SCA awards have been made to grantees across the U.S. to improve reentry programming and outcomes for youth returning home after placement in juvenile correctional institutions (State Government Justice Center, 2017).

The purpose of this evaluation was to evaluate five FY2010 juvenile SCA grantees who were funded to implement comprehensive reentry programs for high-risk youth, and to provide policymakers, practitioners, and funders with empirical evidence about the degree to which the SCA program effectively reduced recidivism and improved reintegration outcomes for youth offenders, and to inform future comprehensive juvenile reentry efforts.

Specific goals of this study included:

  1. identifying strong sites for an impact evaluation;
  2. assessing the extent to which the sites successfully implemented a comprehensive and integrated model of juvenile reentry for a high-risk, high-needs population;
  3. assessing program operations and adherence to reentry principles;
  4. evaluating the impact of the SCA programs;
  5. determining the cost effectiveness of the SCA programs, and their cost-benefit in terms of crime prevented; and
  6. disseminating evaluation findings to practitioner and researcher audiences.
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Evaluation of the P2P Challenging Extremism Initiative, Massachusetts and Utah, 2016-2019 (ICPSR 37338)

Released/updated on: 2020-04-27
Geographic coverage: United States, Massachusetts, Utah
Time period: 2016-01-01--2019-05-31

This project convened experts and practitioners in the areas of program evaluation, radicalization to violent extremism, and social media analytics in order to generate and integrate scientifically derived knowledge into strategies for effective prevention and intervention against domestic radicalization and violent extremism in the United States. More specifically, we generated substantive evaluation data, which can be used by practitioners and policy makers to enhance the creation and dissemination of effective counter-narratives for reducing the threat of ideologically-motivated violence in the US. We used a mixed-methods approach to evaluate an existing nationwide initiative, Peer-to-Peer (P2P): Challenging Extremism, which aims at engaging youth in countering violent extremism in schools and online arenas.

The project had four specific objectives: 1) Evaluate the content and dissemination of the P2P Initiative social media products, 2) evaluate the impact of the P2P Initiative on youth engaged in its development, 3) evaluate the impact of youth exposure to the P2P educational activities, and 4) assess the drivers of success and barriers in the implementation of the initiative.

To complete these objectives, the following research phases were conducted:

A secondary review of 150 P2P social media products created between fall 2015 and spring 2017, including data on end-users interactivity.

Phone and in-person group interviews with faculty and students engaged in the P2P Initiative.

A prospective cohort study evaluating the impact of the Kombat with Kindness (KWK) campaign on Utah secondary school students, using a pre-post intervention design.

A randomized control study evaluating the impact of the Operation 250 (OP250) on Massachusetts secondary school students, using a pre-post intervention design.

Phone interviews with faculty who implemented the P2P Initiative.

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Evaluation of the Philadelphia Police School Diversion Program: Long-Term Outcomes and Sustained Impact, 2013-2020 (ICPSR 38271)

Released/updated on: 2023-02-28
Geographic coverage: United States, Philadelphia, Pennsylvania
Time period: 2013-09-01--2020-11-01

Schools are a primary referral source to the juvenile justice system, helping create and perpetuate the school-to-prison pipeline. Seeking to dismantle this pipeline in the city, the Philadelphia Police Department (PPD) partnered with the School District of Philadelphia (SDP) and the Philadelphia Department of Human Services (DHS) to develop and operate the Philadelphia Police School Diversion Program. Implemented in May 2014, all first-time offending youth aged 10 years or older who commit specified school-based minor misdemeanor or summary offenses on school property are diverted from arrest, referred to a Department of Human Services (DHS) social worker and community-based services, and face no consequences even if they decline services.

This evaluation examined long-term outcomes for diverted youth and sustained program impacts over five years. From a full sample of 3,616 diverted and arrested students, this study used a quasi-experimental design to compare data for diverted youth (quasi-experimental group; n = 1,281) and similar youth arrested in schools in the year before the program's implementation (quasi-control group; n = 531). PPD school police officers completed surveys regarding their knowledge and perceptions of the Diversion Program immediately before and after a training session held prior to its implementation, then on an annual basis through year five. A cost-benefit analysis of the program was conducted in partnership with the Vera Institute of Justice.

The data have been organized by analysis. Short-term analysis refers to two-year recidivism analyses and one-year child welfare involvement, and covers the full and quasi-control arrested samples and youth diverted in school years 2014-2015, 2015-2016, and 2016-2017. Long-term analyses include four-year graduation/drop-out, five-year recidivism analyses, and five-year child welfare involvement, and covers the full and quasi-control arrested samples and youth diverted in school year 2014-2015.

Short- and long-term recidivism outcome data (DS1 and DS2), police survey data before and after program implementation (DS3), and cost-benefit analysis tables (DS9) are included in this collection. Please refer to the User Guide for details on how to acquire additional data from SDP and DHS and steps to create the full analytic files for academic-related and child welfare involvement outcomes.

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Evaluation of the Target Corporation's Safe City Initiative in Chula Vista, California, and Cincinnati, Ohio, 2004-2008 (ICPSR 28044)

Released/updated on: 2010-09-29
Geographic coverage: United States, Texas, Chula Vista, Ohio, Cincinnati, California, New York (state), Buffalo, Houston
Time period: 2004-01-01--2008-11-01, 2004-01-01--2008-11-01, 2007-03-01--2008-03-01
The purpose of the study was to evaluate the implementation of the Safe City crime prevention model that was implemented in designated retail areas in jurisdictions across the United States. The model involved frequent meetings and information-sharing among the police, Target, and neighboring retailers, along with the implementation of enhanced technology. The first step in the Safe City evaluation involved selecting evaluation sites. The final sites selected were Chula Vista, California, and Cincinnati, Ohio. Next, for each of the two sites, researchers selected a site that had a potential for crime displacement caused by the intervention area, and a matched comparison area in another jurisdiction that would likely have been selected as a Safe City site. For Chula Vista, the displacement area was 2 miles east of the intervention area and the comparison area was in Houston, Texas. For Cincinnati, the displacement area was 1.5 miles north of the intervention area and the comparison area was in Buffalo, New York. In Chula Vista, the Safe City intervention activities were focused on gaining a better understanding of the nature and underlying causes of the crime and disorder problems occurring in the designated Safe City site, and strengthening pre-existing partnerships between law enforcement and businesses affected by these problems. In Cincinnati, the Safe City intervention activities centered on increasing business and citizen awareness, communication, and involvement in crime control and prevention activities. The research team collected pre- and post-intervention crime data from local police departments (Part 1) to measure the impact of the Safe City initiatives in Chula Vista and Cincinnati. The 981 records in Part 1 contain monthly crime counts from January 2004 to November 2008 for various types of crime in the retail areas that received the intervention in Chula Vista and Cincinnati, and their corresponding displacement zones and matched comparison areas. Using the monthly crime counts contained in the Safe City Monthly Crime Data (Part 1) and estimations of the total cost of crime to society for various offenses from prior research, the research team calculated the total cost of crimes reported during the month/year for each crime type that was readily available (Part 2). The 400 records in the Safe City Monthly Cost Benefit Analysis Data (Part 2) contain monthly crime cost estimates from January 2004 to November 2008 for assaults, burglaries, larcenies, and robberies in the retail areas that received the intervention in Chula Vista and Cincinnati, and their corresponding displacement zones and matched comparison areas. The research team also received a total of 192 completed baseline and follow-up surveys with businesses in Chula Vista and Cincinnati in 2007 and 2008 (Part 3). The surveys collected data on merchants' perceptions of crime and safety in and around businesses located in the Safe City areas. The Safe City Monthly Crime Data (Part 1) contain seven variables including the number of crimes in the target area, the month and year the crime was committed, the number of crimes in the displacement area, the number of crimes in a comparable area in a comparable city, the city, and the crime type. The Safe City Monthly Cost Benefit Analysis Data (Part 2) contain seven variables including the cost of the specified type of crime occurring in the target area, the month and year the cost was incurred, the cost of the specified type of crime in the displacement area, the cost of the specified type of crime in a matched comparison area, the city, and the crime type. The Safe City Business Survey Data (Part 3) contain 132 variables relating to perceptions of safety, contact with local police, experience and reporting of crime, impact of crime, crime prevention, community connections, and business/employee information.
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Evaluation of the Tribal Strategies Against Violence (TSAV) Initiative in Four Tribal Sites in the United States, 1995-1999 (ICPSR 4080)

Released/updated on: 2005-03-15
Geographic coverage: Montana, United States, Oklahoma, North Dakota, Michigan
Time period: 1995-01-01--1999-01-01
This study evaluated the Tribal Strategies Against Violence (TSAV) Initiative. The TSAV was a federal-tribal partnership, lasting from 1995 to 1999, designed to develop comprehensive strategies in tribal communities to reduce crime, violence, and substance abuse. This study involved four of the seven TSAV sites: the Chickasaw Nation in Oklahoma, Fort Peck Assiniboine and Sioux Tribes in Montana, the Grand Traverse Band of Ottawa and Chippewa Indians in Michigan, and the Turtle Mountain Band of Chippewa Indians in North Dakota. A survey of TSAV stakeholders at the four sites was conducted in the summer and fall of 1999. The objectives of the survey were to gauge TSAV stakeholders' perceptions about the following: (1) the serious crime, violence, and quality of life issues in each community and the extent to which the local TSAV initiative had addressed those issues, (2) the intent and ultimate outcomes of the TSAV program, (3) obstacles to successful implementation of TSAV activities, and (4) decision-making processes used in planning and implementing TSAV locally. Offense data were also gathered at the Fort Peck site for 1995 to 1998 and at the Grand Traverse Band site for 1997 to 1999.
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Examination of Actuarial Offender-Based Prediction Assessments in Texas, 1993-1996 (ICPSR 20403)

Released/updated on: 2008-06-23
Geographic coverage: United States, Texas
Time period: 1993-01-01--1996-01-01
The purpose of this study was to provide a comprehensive assessment of the usefulness and effectiveness of prediction and classification of offenders under community supervision. A felony cohort data collection instrument was developed to test the validity of the Wisconsin Risk and Need Instrument in use in Texas, as well as to develop "better" predictor variables for a variety of dependent variables. Using the felony cohort data instrument, the Texas Department of Criminal Justice Community Justice Assistance Division (TDCJ-CJAD) collected detailed statewide information on 3,405 felony offenders placed on probation in Texas during October 1993. Specifically, the form was completed by a probation officer on all felony probation intakes at the time the initial case classification risk/needs assessment was conducted. Additionally, follow-up forms were developed and administered to track the offenders' progress at one year, two years, and three years. Variables include probationer information, current offense, criminal history, social history, substance abuse, probation sanctions, case classification risk items, and case classification need items. Additional variables include felony cohort one-year follow-up data form questions, felony cohort second-year follow-up data form questions, and felony cohort third-year follow-up data form questions.
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Formative Evaluation of a Medical-Legal Partnership on the Westside of Chicago, Illinois, 2016-2021 (ICPSR 38258)

Released/updated on: 2024-06-26
Geographic coverage: United States, Chicago, Illinois
Time period: 2016-01-01--2021-01-01

In February 2016, Under the Rainbow (UTR), a pediatric trauma-based therapy program within Sinai Chicago's Behavioral Health department, joined with the Legal Council for Health Justice (LC), the scope of which includes assistance in accessing public benefits and special education, to form a medical-legal partnership (MLP). Integrating legal services with health care, the partnership allows patients seeking services at UTR to receive referrals for legal services through LC. The partnership is built on access to judicial and legal services as a social determinant of health that can lead to improved health outcomes, and thus the goal is to provide training and support to providers on legal and social barriers to health and provide free legal assistance to patients.

In this study, the research team conducted a formative evaluation of the existing MLP between the two organizations (located in Chicago, Illinois, United States). The specific aims of this evaluation were to:

  1. Determine how a medical-legal partnership (MLP) can improve knowledge and understanding of domestic and community violence
  2. Understand how the MLP can serve different populations by looking at program process and implementation in-depth
  3. Prepare the MLP for impact evaluation to determine how the MLP can fill gaps in victimization research and legal intervention programs

Existing data from patient health risk assessments collected by UTR and legal services data collected by LC were obtained and analyzed. Clients had been served by UTR and referred to LC between July 2016 and May 2021. Interviews with staff at both organizations were conducted in 2019 and 2020. The research team also completed documentation review and created other artifacts (e.g. protocols, implementation guides, process maps) as a result of the evaluation.

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Formative Evaluation of a Technology-Based Behavioral Health Program for Victims of Crime, North Carolina, 2019-2021 (ICPSR 38261)

Released/updated on: 2024-08-28
Geographic coverage: North Carolina, United States
Time period: 2019-01-01--2021-01-01

This initial Phase 1 formative evaluation included the development of a logic model to guide telehealth programming, an evaluability assessment of existing telehealth services, and a pilot test of initial implementation to capture the components needed for future fidelity assessment of these telehealth services as part of a multi-phase evaluation. The telemental health programming was focused on a hybrid approach of service delivery by El Futuro, a community-based organization in Durham, North Carolina. El Futuro's hybrid model of telemental health services combines methods of telehealth and in-person treatment with an array of service components including psychotherapy, psychiatric services, and case management for individuals who were victims of crime (VOCs) seeking mental health services.

Data associated with this project contain information about telehealth sites, client gender, psychiatric diagnoses, session types for the hybrid model, reported traumas for the overall sample used in the evaluability, and feasibility portion of the formative evaluation. The collection also includes outcome information for a subset of participants, such as client reported improvement and satisfaction.

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Impact of Prisoner Litigation Reform, 1992-2000 [United States] (ICPSR 20354)

Released/updated on: 2008-04-10
Geographic coverage: United States
Time period: 1992-04-01--2000-12-01

In 1996, the United States Congress enacted two policies to regulate the use of the legal system by state prisoners. They were the Prisoner Litigation Reform Act (PLRA) and the Antiterrorism and Effective Death Penalty Act (AEDPA). The purpose of this research project was to examine whether the PLRA and the AEDPA had their intended effects of reducing the number of Section 1983 lawsuits and habeas corpus petitions, respectively, at both the national and circuit court levels. The researchers obtained data, from the Research and Statistics Division of the Administrative Office of the United States Courts, on the number of civil rights suits and the number of habeas corpus petitions filed by state prisoners in district courts from April 1992 to December 2000. These data were organized into monthly increments. Dataset 1, Civil Rights Suits Filed, contains 105 cases, and Dataset 2, Habeas Corpus Petitions Filed, also contains 105 cases. The trends in civil rights suits filed (Dataset 1) and habeas corpus petitions filed (Dataset 2) were measured by the number of petitions filed per 10,000 state prisoners. Filing rates were measured at the level of district courts, grouped together by the circuit court that has jurisdiction over them.

Variables in Dataset 1, Civil Rights Suits Filed, include filing date and the number of civil rights suits filed per 10,000 state prisoners at the national level as well as for district courts within each of the 11 circuits and the District of Columbia. An intervention flag variable is also included. Variables in Dataset 2, Habeas Corpus Petitions Filed, include filing date and the number of habeas corpus petitions filed per 10,000 state prisoners at the national level, as well as for district courts within each of the 11 circuits and the District of Columbia. A pulse flag variable and two intervention flag variables are also included.

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Improving Outcomes for Domestic Minor Sex Trafficking Victims: A Phased Evaluation of the LOVE146 Victim Services Program, Connecticut, 2016-2021 (ICPSR 39100)

Released/updated on: 2024-11-07
Geographic coverage: United States, Connecticut
Time period: 2016-07-01--2021-05-31

This study analyzed client data from Love146, a non-profit organization that serves youth known or suspected of experiencing commercial sexual exploitation (CSE) victimization. All youth in the state of Connecticut referred to Love 146 receive a brief one-time Rapid Response intervention. A subset of these youth are then referred for Long-Term Services (LTS), intensive year-long clinical and support services. This study examines the trauma histories, service trajectories, and service outcomes for 455 youth referred to Love 146 between July 2016 and May 2021. The study compares characteristics of youth who received only Rapid Response services (n=271) to those who went on to enroll into LTS (n=185). Analyses also considered whether demographic, environmental, or adversity variables predicted successful or unsuccessful LTS service trajectories for youth. Researchers found that youth enrolled in the Love146 LTS program were significantly more likely than those who just received Rapid Response services to be younger and have confirmed (versus suspected) CSE victimization. With the exception of regular school attendance at the time of referral, adversity and risk profiles did not distinguish youth who successfully completed LTS from those who did not. Implications for improving services for this population of youth are discussed.

Policy makers and advocates have urged the development of interventions and programs that can provide children and youth who have experienced commercial sexual exploitation (CSE) with needed services to reduce the likelihood of re-victimization and improve physical health, mental health, and education goals. Communities have responded by developing a variety of service models. However, there is little information about which youth can access CSE services or what service trajectories and outcomes look like for these youth. The non-profit organization Love146 has provided services to youth impacted by CSE through their Survivor Care program since 2014. The current study analyzes five years of de-identified client data from this program to understand the adversity histories of referred youth, and to identify which youth are most likely to access services over longer periods of time, with more successful outcomes.

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Improving School Safety in the District of Columbia: Evaluating the Safe School Certification Program, 2016-2020 (ICPSR 37892)

Released/updated on: 2022-06-29
Geographic coverage: District of Columbia, United States
Time period: 2016-01-01--2020-01-01
From 2016 through 2020, Child Trends, in partnership with the D.C. Office of Human Rights and the D.C. Office of the State Superintendent of Education, and with funding from the National Institute of Justice's Comprehensive School Safety Initiative, implemented and evaluated the Safe School Certification (SSC) Program, a three-year technical assistance model to support schools in strengthening organizational capacity across eight elements key to improving school climate: leadership, data, buy-in, policy and policy enforcement, student engagement, family and community engagement, training, and programs and practices. To help support schools' efforts, and to evaluate SSC's effectiveness, survey data were collected annually from students, parents, instructional staff, and non-instructional staff at participating schools using the U.S. Department of Education's School Climate Survey (EDSCLS), which was adapted to include measures of sexual orientation and gender identity, grit, and personal experiences of bullying and fights. Additionally, observations using the Classroom Assessment Scoring System - Secondary (CLASS-S) were conducted in a random sample of five classrooms in each participating school each year. Finally, as part of the implementation evaluation, interviews were conducted with the technical assistance providers, points of contact or leadership at participating schools, the SSC developer, and the manager of the Certification Advisory Board (CAB), which provided feedback to schools over the course of implementation through reviews of compiled workbooks.
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Link for Schools: A System to Prevent Violence and Its Adverse Impacts, Cedar Rapids, Iowa, 2017-2021 (ICPSR 38301)

Released/updated on: 2023-03-16
Geographic coverage: Iowa, United States, Cedar Rapids
Time period: 2017-08-01--2021-05-31

The Link for Schools project was a longitudinal study evaluating the implementation and administration of a school-based violence prevention program, Link for Schools (also referred to as Link), in a high-risk school district in Cedar Rapids, Iowa. Study populations consisted of school staff and community members who participated in a two-tiered training program aimed at preventing and intervening with violence, and a sample of children in grades 1-8 who attended a school where the program was implemented. Study procedures took place during three academic years, starting in 2017 and ending in 2020.

The Link program was built upon the principles of trauma-informed care (TIC) and psychological first aid (PFA) based in motivational interviewing to identify and intervene on mental health and behavioral precursors of violence, and to mitigate the immediate impacts of violence among exposed youth. TIC training for the entire school community served as the first tier of support, then a safety net of staff trained in PFA and screening for non-specific stress and referral (referred to as Link interventionists) served as a second tier. Students whose needs exceeded the existing school resources were directly referred to appropriate care.

This collection contains the following data types:

  • Case management records for each encounter interventionists had with students during the study time period (DS1) and linkages to other supports (DS2)
  • Pre- and post-program survey data from school staff (DS4, DS7)
  • Post-training survey data from school staff or parents who completed trauma-informed care (TIC) training (DS3), and staff who completed Link interventionist trainings (DS5, DS6)
  • Costs of program administration, implementation, and training to estimate cost effectiveness (DS8)
  • Student administrative records shared by the school district to determine initial eligibility for the intervention and track outcomes related to disciplinary action (DS9)
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Massachusetts Statewide Criminal Justice Guidelines Evaluation, 1979: Sentencing Data (ICPSR 7909)

Released/updated on: 1992-02-16
Geographic coverage: United States, Massachusetts
This data collection is the result of a project established to study the development, implementation, and use of statewide sentencing guidelines and to report on the perceptions of criminal justice system personnel and inmates regarding those guidelines. Funded by the National Institute of Law Enforcement and Criminal Justice, the project was carried out by the Rutgers University School of Criminal Justice from October 1978 to June 1981. Additional data produced by this project are contained in two other studies held by ICPSR: NEW JERSEY STATEWIDE CRIMINAL JUSTICE GUIDELINES EVALUATION, 1979 (ICPSR 7910) and NEW JERSEY STATEWIDE CRIMINAL JUSTICE GUIDELINES EVALUATION, 1980: INMATE SURVEY DATA (ICPSR 7911). The Massachusetts Sentencing Data contains information on a random sample of 1,440 convicted defendants sentenced in the Massachusetts Superior Court between November 1977 and October 1978. The sample represents approximately one-third of the actual number of defendants sentenced in the Massachusetts Superior Court during a one-year period. The cases were selected and coded by the Massachusetts Sentencing Guidelines project during 1979. Variables include information about each defendant's juvenile and adult criminal history, characteristics of the current offense, and the elements of the disposition of the current offense. Demographic data include defendant's age, sex, race, marital status, employment status, occupation, income, number of children, educational attainment, and drug and alcohol use history.
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Mentoring Youth for Leadership Initiative: Evaluating Impact, Program Practices, and Implementation on High-Risk Youth, United States, 2015-2018 (ICPSR 38264)

Released/updated on: 2022-04-28
Geographic coverage: United States
Time period: 2015-01-01--2018-01-01
The aim of this study was to conduct an outcome and process evaluation of the Mentoring Youth for Leadership (MYL) project, which was spearheaded by Leadership Foundations (LF), and utilized an Elements of Effective Practice in Mentoring framework. LF's initiative was designed to reduce youth violence and delinquency, as they strengthen program practices over time. The MYL project served over 3,000 at-risk, high-risk, or underserved youth, their families, and communities, through 26 LF affiliates in 22 states. There were two main objectives: to assess the relations between program practice implementation and youth and match outcomes among mentoring programs in a national network, and to understand the experiences that programs had while embarking on a quality improvement initiative that was focused on improving program practices. Variables include program benchmarks achieved, mentee's school records, relationships with their parents, and staff member's feelings towards their program. Additionally, 16 semi-structured interviews were conducted with 17 MYL program representatives. Mentee's age, gender, race, and ethnicity were also recorded.
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Moving Closer to Home Before Release: Evaluating a Step-Down Strategy to Transfer Adults in State Prisons to Local Correctional Systems, Massachusetts, 2004-2017 (ICPSR 39193)

Released/updated on: 2024-10-15
Geographic coverage: Hampden County, Worcester County, United States, Massachusetts
Time period: 2004-01-01--2017-01-01

Jail reentry step-down programs were pioneered in the 1990s in Hampden County, Massachusetts through a partnership between the Massachusetts Department of Correction (MADOC) and the Hampden County Sheriff's Office (HCSO). Step-down models enable people incarcerated in state prisons to transfer to a jail facility in their home community to serve the last portion of their sentence and gradually "step-down" to lower security classification levels prior to their release. During this time, the person is able to reconnect with local family and friends and receive community reentry services. In 2010, a Second Chance Act grant was awarded to HCSO, which expanded the reentry programming and program capacity and enabled HCSO to include people at higher security levels in the step-down program.

The purpose of this evaluation was to examine whether jails could serve as effective reentry transition facilities for adults incarcerated in state prisons who are preparing to return to their communities, using the HCSO step-down program as the model. Conducting a process, impact, and cost analysis, the researchers collected data from program reports, documents, administrative data, interviews with service providers and stakeholders, and focus groups with step-down program participants. Administrative data were releases to Hampden and Worcester County from MADOC custody between 2004-2017 (n=6,087 individuals, 7,577 releases) and line-item costs of operating reentry services.

This collection contains data from the impact analysis (DS1) and cost analysis (DS2) of HCSO's step-down program. Please note that qualitative data from the process analysis is not available.

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Multisite Evaluation of Veterans Treatment Courts: Systematic Assessment of Implementation and Intermediate Outcomes, Florida, North Carolina, and Texas, 2016-2019 (ICPSR 37850)

Released/updated on: 2024-05-29
Geographic coverage: North Carolina, United States, Texas, Florida
Time period: 2016-02-01--2020-06-01

The purpose of this study was to conduct a comprehensive multi-site examination of veterans treatment court (VTC) operations through an implementation and intermediate outcome evaluation. The focus was primarily on VTC processes and participant populations, as well as basic participant outcomes. Both quantitative and qualitative data were collected from baseline and follow-up interviews, self-report survey data, semi-structured observations, and official records from eight VTC programs in three states.

Users should note that qualitative data are not available as part of this study at this time. It is not known when these data might be made available.

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National Evaluation of the Safe Start Promising Approaches Initiative, 2011-2016 (ICPSR 36610)

Released/updated on: 2017-03-14
Geographic coverage: Detroit, El Paso, United States, Hawaii, Kalamazoo, New York (state), Spokane, Washington, Michigan, Pennsylvania, Aurora, Queens, Worcester, Texas, Massachusetts, Colorado, Honolulu, Denver, Philadelphia
Time period: 2011-11-01--2016-06-01

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

The Safe Start Promising Approaches for Children Exposed to Violence Initiative funded 10 sites to implement and evaluate programs to improve outcomes for children exposed to violence. RAND conducted the national evaluation of these programs, in collaboration with the sites and a national evaluation team, to focus on child-level outcomes. The dataset includes data gathered at the individual family-level at baseline, 6-, 12-months. All families were engaged in experimental or quasi-experimental studies comparing the Safe Start intervention to enhanced services-as-usual, alternative services, a wait-list control group, or a comparable comparison group of families that did not receive Safe Start services. Data sources for the outcome evaluation were primary caregiver interviews, child interviews (for ages 8 and over), and family/child-level service utilization data provided by the Safe Start program staff.

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National Study of Family Treatment Court Best Practices, Outcomes, and Costs, [United States], 1993-2022 (ICPSR 39246)

Released/updated on: 2025-07-28
Geographic coverage: United States, Texas, California, Georgia, New York (state)
Time period: 1993-01-01--2022-01-01
The National Study of Family Treatment Court Best Practices, Outcomes, and Costs (also known as the National Study of Family Treatment Courts (NEFTC)) sought to study the extent to which family treatment courts (FTC) follow best practices, who benefits from FTCs, how much FTCs meet the needs of the communities they serve, and the cost-efficiencies of these programs. The NEFTC includes two study components: the Best Practice Study (BPS) and Outcome and Cost Study (OCS). The BPS examined the policies and practices of FTCs, assessed the extent to which policies and procedures of FTCs are aligned with current best practice standards, described the characteristics of FTCs, their eligibility requirements, and estimated the number and characteristics of families served by FTCs across the country. The OCS reviewed the implementation of four focus sites (California, Georgia, New York, and Texas) reflecting the diversity of FTCs across the country, and incorporates child, parent, and family outcomes related to repeat child maltreatment events (i.e., child welfare recidivism) and removals from the home. The BPS unit of analysis are FTCs from a subset of U.S. states, territories, and the District of Columbia. The OCS unit of analysis are individuals and families participating in FTCs from the four states listed. BPS variables include date FTC was implemented, whether specific FTC practices are followed, and the demographics (age, race, and sex) of participants. OCS variables include indexes of child welfare events, counts of adult and children FTC participants, FTC milestones, and demographics including age, race, and gender.
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National Survey of Eyewitness Identification Procedure in Law Enforcement Agencies, 1994-2012 (ICPSR 34274)

Released/updated on: 2014-03-07
Geographic coverage: United States
Time period: 1994-01-01--2012-01-01
The data results from a study conducted by the Police Executive Research Forum (PERF) designed to obtain the first nationwide assessment of the state of the criminal justice field regarding eyewitness identification procedures used by law enforcement agencies. PERF designed and conducted a survey of 619 police departments across the United States. The study focused on the departments training and policy when conducting eyewitness identification; particularly the study examined the use of "blind" administrators and the use of simultaneous or sequential presentation to the witness. The number of lineup members, witness instructions, police training, number of witness viewings and recording of the witness statements were also examined. A pilot test of the survey was conducted prior to the study.
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National Survey of Field Training Programs for Police Officers, 1985-1986 (ICPSR 9350)

Released/updated on: 2006-01-12
Geographic coverage: United States
Time period: 1985-09-01--1986-08-01
This national survey of field training programs for police officers contains data gathered from state and local criminal justice agencies regarding the format of their programs, costs of programs, impact on civil liability suits, and other complaints. Topics covered include length of time since the implementation of the program, reasons for initiating the program, objectives of the program, evaluation criteria and characteristics of the program, and number of dismissals based on performance in field training programs. Other topics deal with hours of classroom training, characteristics of field service training officers, and incentives for pursuing this position. Topics pertaining to agency evaluation include impact of program on the number of civil liability complaints, number of successful equal employment opportunity complaints, presence of alternative training such as with a senior officer, and additional classroom training during probation when there is no field training program.
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Neuropsychological and Emotional Deficits as Predictors of Correctional Treatment Response in Maryland, 2003-2005 (ICPSR 20349)

Released/updated on: 2008-03-31
Geographic coverage: United States, Maryland
Time period: 2003-03-01--2005-12-01
The study was designed to elucidate underlying neuropsychological and emotional regulatory mechanisms in variable responses to a cognitive-behavioral therapy (CBT) program among prison inmates. This study tested the hypotheses that performance deficits in executive cognitive function (ECF) tasks and emotional responses will characterize aggressive and disruptive inmates and predict treatment response. All subjects were examined using noninvasive behavioral, psychological, ECF, and hormone tests. The data contain a total of 232 cases. Inmates volunteering to participate in the cognitive-behavioral therapy (CBT) program offered by the Maryland correctional system were recruited from three facilities using a pseudo-random selection procedure during intake into the program. Consenting inmates received an extensive baseline testing battery of several complementary dimensions of higher order neuropsychological functions as well as conditions that influence them: (1) three ECF tasks and one emotional perception task, (2) collection of salivary cortisol during an acute stress task and the Symptom Checklist 90 (SCL-90) taken beforehand, (3) a short general neuropsychological test, (4) three psychological questionnaires, (5) an historical inventory to assess prior drug use and child and family background, and (6) a treatment readiness, responsivity, and gain scale. An events inventory and a success inventory were also administered. Several additional tests were administered repeatedly throughout treatment. A record review was conducted after program completion to ascertain incidents of institutional misconduct as well as treatment performance outcomes. Variables include IQ, demographics, background information, prior drug use, early trauma, psychopathy, aggression, stressful events, success, reactions to provocation, treatment readiness, emotional perception/regulation, executive cognitive performance, cortisol measures, treatment gain, treatment responsivity, treatment completion, Maryland Offender Based State Correctional Information System (OBSCIS) data, institutional infractions, segregations, and several other computed variables.
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New York Drug Law Evaluation Project, 1973 (ICPSR 7656)

Released/updated on: 1992-02-16
This data collection contains the results of a study created in response to New York State's 1973 revision of its criminal laws relating to drug use. The Association of the Bar of the City of New York and the Drug Abuse Council jointly organized a joint committee and a research project to collect data, in a systematic fashion, (1) to ascertain the repercussions of the drug law revision, (2) to analyze, to the degree possible, why the law was revised, and (3) to identify any general principles or specific lessons that could be derived from the New York experience that could be helpful to other states as they dealt with the problem of illegal drug use and related crime. This data collection contains five files from the study. Part 1 contains information gathered in a survey investigating the effects of the 1973 predicate felony provisions on crime committed by repeat offenders. Data include sex, age at first arrest, county and year of sampled felony conviction, subsequent arrests up to December 1976, time between arrests, time incarcerated between arrests, and number and type of short-span arrests and incarcerations. Part 2 contains data gathered in a survey meant to estimate the number and proportion of felony crimes attributable to narcotics users in Manhattan. Case records for male defendants, aged 16 and older, who were arraigned on at least one felony charge in Manhattan's Criminal Court, in 1972 and 1975, were sampled. Data include original and reduced charges and penal code numbers, and indicators of first, second, third, and fourth drug status. Part 3 contains data gathered in a survey designed to estimate the number and proportion of felony crimes attributable to narcotics users in Manhattan. Case records for male defendants, aged 16 and older, who were arraigned on at least one felony charge in Manhattan's Criminal Court or Manhattan's Supreme Court, were sampled from 1971 through 1975. Eighty percent of the sample was drawn from the Criminal Court while the remaining 20 percent was taken from the Supreme Court. Data include date of arraignment, age, number of charges, penal code numbers for first six charges, bail information (e.g., if it was set, amount, and date bail made), disposition and sentence, indications of first through fourth drug status, first through third drug of abuse, and treatment status of defendant. Part 4 contains data gathered in a survey that determined the extent of knowledge of the 1973 drug law among ex-drug users in drug treatment programs, and to discover any changes in their behavior in response to the new law. Interviews were administered to non-randomly selected volunteers from three modalities: residential drug-free, ambulatory methadone maintenance, and the detoxification unit of the New York City House of Detention for Men. Data include sources of knowledge of drug laws (e.g., from media, subway posters, police, friends, dealers, and treatment programs), average length of sentence for various drug convictions, maximum sentence for such crimes, the pre-1974 sentence for such crimes, type of plea bargaining done, and respondent's opinion of the effects of the new law on police activity, the street, conviction rates, and drug use. Part 5 contains data from a survey that estimated the number and proportion of felony crimes attributable to narcotics users in Manhattan. Detained males aged 16 and older in Manhattan pre-trial detention centers who faced at least one current felony charge were sampled. Data include date of admission and discharge, drug status and charges, penal code numbers for first through sixth charge, bail information, and drug status and treatment.
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Optimizing Video Surveillance in Correctional Settings, Minnesota, 2015-2019 (ICPSR 37984)

Released/updated on: 2024-04-11
Geographic coverage: United States, Minnesota
Time period: 2015-01-01--2019-01-01

The Urban Institute and the Minnesota Department of Corrections (MnDOC) attempted to improve the surveillance system in two state correctional facilities: Stillwater (STW) and Moose Lake (ML). The goal of this study was to conduct a rigorous process and impact evaluation of the steps that STW and ML took to optimize their surveillance systems, which included repositioning existing cameras, installing new cameras, and making other infrastructural upgrades. In addition, ML integrated an audio analytic technology in their system that would alert on-unit security staff through a visual and audio alert when it detected sounds associated with anger, fear, or verbal aggression.

The evaluation used a mixed-methods research design. Qualitative data collection included stakeholder interviews and in-depth observations of the camera operations at ML and STW before, during, and after the upgrades. The research team interviewed wardens, supervisors and officers working in the intervention units, and numerous other individuals who oversaw operations, investigations, information technology, and camera installation and configuration in ML and STW.

Quantitative administrative data were collected from ML and comparison facilities and comparative interrupted time-series (CITS) analyses were employed to examine changes in two outcomes (total misconduct incidents and guilty dispositions) following the intervention. To support the CITS, another unit in ML was identified that did not upgrade its surveillance system but was similar to the intervention housing unit in terms of population, architecture, and misconduct levels (internal comparison unit), and used the synthetic control method to create another comparison unit derived from the three other medium-security prisons operated by MnDOC (external comparison unit).

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Outcome Evaluation of the Teens, Crime, and the Community/Community Works (TCC/CW) Training Program in Nine Cities Across Four States, 2004-2005 (ICPSR 25865)

Released/updated on: 2011-03-30
Geographic coverage: United States, New Mexico, Massachusetts, Arizona, South Carolina
In 1985, the Teens, Crime, and the Community and Community Works (TCC/CW) program, a collaborative effort by the National Crime Prevention Council (NCPC) and Street Law, Inc., was developed in an effort to reduce adolescent victimization. The purpose of the study was to assess whether the TCC/CW program was successfully implemented and whether it achieved its desired outcome, namely to reduce adolescent victimization. Following an extensive effort to identify potential sites for inclusion in the TCC/CW program outcome evaluation, a quasi-experimental five-wave panel study of public school students was initiated in the fall of 2004. Classrooms in the sample were matched by teacher or subject and one-half of the classrooms received the TCC/CW curriculum while the other half (the control group) was not exposed to the curriculum. A total of 1,686 students representing 98 classrooms in 15 middle schools located in 9 cities in 4 different states were surveyed 3 times: pre-tests in Fall 2004 (Part 1), post-tests in Spring 2005 (Part 2), and through a one-year follow-up survey in Fall 2005 (Part 3). A total of 227 variables are included in Part 1, 297 in Part 2, and 290 in Part 3. Most of these variables are the same across waves, including demographic variables, variables measuring whether the students are involved in extracurricular and other school related activities, community service, religious activities, family activities, employment, or illegal activities and crime, variables measuring the students' views regarding bullying, schoolwork, school and neighborhood violence, property crimes, drug use, alcohol use, gun violence, vandalism, skipping school, inter-racial tensions, neighborhood poverty, and law-enforcement officers, variables measuring how students react to anger, risk, conflict with fellow students, and how they handle long-term versus short-term decision-making, variables measuring group dynamics, variables measuring students' self-esteem, and variables measuring students' awareness of resources in their respective school and neighborhood to address problems and provide support.
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Panacea or Poison: Can Propensity Score Modeling (PSM) Methods Replicate the Results from Randomized Control Trials (RCTs)?, United States, 1983-2013 (ICPSR 37291)

Released/updated on: 2023-08-14
Geographic coverage: United States
Time period: 1983-01-01--2013-01-01

With the growing popularity, technological ease of using propensity score modeling (PSM), and the concern over its reliability and validity among scholars and practitioners, the researchers aimed to answer whether PSM methods can replicate the results from randomized controlled trials (RCTs). In this secondary data analysis, the researchers gathered the datasets of 10 publicly available and restricted RCT studies from the National Archive of Criminal Justice Data (NACJD), introduced an artificial selection bias into the treatment groups of these investigations, and then used each PSM technique to remove this selection bias. The team then compared the results generated from the PSM methods to those derived from the original RCT experiments, and meta-analyzed the findings across all studies to reveal the true reliability and validity of PSM in relation to RCTs using criminal justice data.

For each study used in this analysis, the researchers created SPSS syntax for variable recodes and artificial bias creation and a codebook with original study items, recoded variables, and analytic variables. (In one study, two RCTs were conducted and thus two sets of syntax and codebooks were created.) Seven text files contain the Stata and R code used to run each PSM technique. These materials have been zipped into a package and are available for restricted download. Please refer to the ICPSR README for more information.

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Process and Outcome Evaluation of the Gang Resistance Education and Training (G.R.E.A.T.) Program, 2006-2011 [UNITED STATES] (ICPSR 34899)

Released/updated on: 2016-10-25
Geographic coverage: Chicago, Tennessee, Albuquerque, Fort Worth, Nashville, Pennsylvania, New Mexico, Illinois, Texas, Greeley, Colorado, Portland (Oregon), Dallas, Philadelphia
Time period: 2006-09-01--2011-12-01

These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not checked or processed except for the removal of direct identifiers. Users should refer to the accompanying readme file for a brief description of the files available with this collection and consult the investigator(s) if further information is needed.

The goal of the study was to determine what effect, if any, the Gang Resistance Education and Training (G.R.E.A.T.) program had on students. The G.R.E.A.T., a 13-lesson general prevention program taught by uniformed law enforcement officers to middle school students, had three stated goals: 1) to reduce gang membership, 2) to reduce delinquency, especially violent offending, and 3) to improve students' attitudes toward the police.

To assess program effectiveness, researchers conducted a randomized control trial involving 3,820 students nested in 195 classrooms in 31 schools in 7 cities. A process evaluation consisted of multiple methods to assess program fidelity: 1) observations of G.R.E.A.T. Officer Trainings, 2) surveys and interviews of G.R.E.A.T.-trained officers and supervisors, 3) surveys of school personnel, and 4) "on-site," direct observations of officers delivering the G.R.E.A.T. program in the study sites. Only the data from the student surveys, law enforcement officer surveys, and school personnel surveys are available.

Data file 1 (Student Survey Data) has 3,820 cases and 1,926 variables. Data file 2 (Law Enforcement Survey Data) has 137 cases and 140 variables. Data file 3 (School Personnel Survey Data) has 230 cases and 148 variables.

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Project on Human Development in Chicago Neighborhoods (PHDCN): Forward Memory, Wave 3, 2000-2002 (ICPSR 13705)

Released/updated on: 2007-03-27
Geographic coverage: United States, Chicago, Illinois
Time period: 2000-01-01--2002-01-01
The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. One such measure was the Forward Memory instrument. It was taken from the attention and memory battery of the Leiter International Performance Scale, and it assessed cognitive function in subjects by measuring visuospatial memory. It was administered to subjects in Cohort 0.
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Project on Human Development in Chicago Neighborhoods (PHDCN): Peabody Picture Vocabulary Test, Wave 3, 2000-2002 (ICPSR 13732)

Released/updated on: 2007-03-27
Geographic coverage: United States, Chicago, Illinois
Time period: 2000-01-01--2002-01-01
The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. One such measure was the The Peabody Picture Vocabulary Test (PPVT). It was designed as a test of receptive vocabulary achievement and verbal ability and was administered to subjects in Cohort 0. Subjects were shown four numbered pictures and were read a word by a research assistant. The subject was then asked to point to the picture or say the number of the picture that corresponded to the word spoken by the research assistant.
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Project on Human Development in Chicago Neighborhoods (PHDCN): Stanford-Binet, Wave 1, 1994-1997 (ICPSR 13599)

Released/updated on: 2006-02-20
Geographic coverage: United States, Chicago, Illinois
Time period: 1994-01-01--1997-01-01
The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. Traditionally, the Stanford-Binet (SB) Intelligence Scale was a wide-range individual test, assessing intelligence from age two through the superior adult level. It was an age scale, requiring subjects to solve problems, give definitions, memorize new material, and use some visual-motor skills at various age levels. For this study, the SB included a vocabulary subtest consisting of providing both names of pictures and definitions of words. It was only administered to Cohort 3.
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Project on Human Development in Chicago Neighborhoods (PHDCN): Stanford-Binet, Wave 2, 1997-2000 (ICPSR 13652)

Released/updated on: 2006-03-17
Geographic coverage: United States, Chicago, Illinois
Time period: 1997-01-01--2000-01-01
The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. Traditionally, the Stanford-Binet (SB) Intelligence Scale was a wide-range individual test, assessing intelligence from age two through the superior adult level. It was an age scale, requiring subjects to solve problems, give definitions, memorize new material, and use some visual-motor skills at various age levels. For this study, the SB included a vocabulary subtest that consisted of providing both names of pictures and definitions of words. It was only administered to Cohort 3.
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Project on Human Development in Chicago Neighborhoods (PHDCN): Wechsler Adult Intelligence Scale-Revised, Wave 1, 1994-1997 (ICPSR 13603)

Released/updated on: 2006-02-20
Geographic coverage: United States, Chicago, Illinois
Time period: 1994-01-01--1997-01-01
The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. The Wechsler Adult Intelligence Scale-Revised (WAIS-R) was a general test of intelligence, which David Wechsler, the test's author, defined as "the global capacity of the individual to act purposefully, to think rationally, and to deal effectively with his environment." In keeping with this definition of intelligence as an aggregate of mental aptitudes or abilities, the WAIS-R has traditionally consisted of 11 subtests divided into two parts, verbal and performance. For this study, the WAIS-R included definitions of words only. It was only administered to Cohort 18.
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Project on Human Development in Chicago Neighborhoods (PHDCN): Wechsler Adult Intelligence Scale-Revised, Wave 3, 2000-2002 (ICPSR 13747)

Released/updated on: 2007-03-16
Geographic coverage: United States, Chicago, Illinois
Time period: 2000-01-01--2002-01-01
The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent development. One component of the PHDCN was the Longitudinal Cohort Study, which was a series of coordinated longitudinal studies that followed over 6,000 randomly selected children, adolescents, and young adults, and their primary caregivers over time to examine the changing circumstances of their lives, as well as the personal characteristics, that might lead them toward or away from a variety of antisocial behaviors. Numerous measures were administered to respondents to gauge various aspects of human development, including individual differences, as well as family, peer, and school influences. One such measure was the Wechsler Adult Intelligence Scale-Revised (WAIS-R), a general test of intelligence, which David Wechsler, the test's author, defined as "the global capacity of the individual to act purposefully, to think rationally, and to deal effectively with his environment." In keeping with this definition of intelligence as an aggregate of mental aptitudes or abilities, the WAIS-R has traditionally consisted of 11 subtests divided into two parts, verbal and performance. For this study, the WAIS-R included definitions of words only. It was only administered to Cohort 12.