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Influence of Eyewitness Memory Factors on Plea Bargaining Decisions by Prosecution and Defense Attorneys in California, 2010-2011 (ICPSR 32181)

Released/updated on: 2012-07-31

Geographic coverage: United States, California

Time period: 2010-01-01--2011-01-01

The purpose of the study was to assess how the strength of eyewitness evidence affects plea bargaining decisions by prosecutors and defense attorneys. Surveys were administered to 93 defense attorneys and 46 prosecutors from matched counties in California. On the questionnaire, each participant was asked four background questions and read four versions of a crime scenario in which two specific eyewitness factors -- (a) same- versus cross-race identification and (b) prior contact or not -- were experimentally manipulated in a factorial design. The scenarios described a store robbery in which identification by one eyewitness was the only evidence against the defendant. After reading each scenario, attorneys were asked to respond to five questions in light of the facts presented. The study contains 28 variables including background data on the study participants and responses to questions relating to four crime scenarios that differ in terms of the details of the eyewitness evidence.

Curated

Project on Human Development in Chicago Neighborhoods (PHDCN): Self Perceptions, Wave 3, 2000-2002 (ICPSR 13741)

Released/updated on: 2007-02-07

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 Self Perceptions instrument. It was administered to subjects in Cohorts 3 and 6 and obtained preliminary information about the subjects' views of their abilities in math and reading, as well as overall self worth, social competence, and safety in their neighborhoods.

Curated

Research and Evaluation on Domestic Radicalization to Violent Extremism: Research to Support Exit USA, United States, 2015-2019 (ICPSR 37684)

Released/updated on: 2025-09-25

Geographic coverage: Canada, United States

Time period: 2015-01-01--2019-01-01

The spread of and involvement in domestic extremist organizations are some of the most pressing issues facing the criminal justice field. There is little research studying the trajectories of former members of extremist organizations. This project begins to address the gaps in knowledge about radicalization and exit by gathering firsthand accounts from former members of white supremacist organizations in the U.S.

The goal of this project was to understand the pathways to disengagement and deradicalization among former white supremacists to provide justice and community organizations with useful information to support prevention and intervention strategies. There is a dearth of systematic information about the motivations, trajectories, and barriers involved with the disengagement and deradicalization process. This project was designed to provide a necessary and foundational assessment of the processes involved with becoming a former extremist. This project charted the social and psychological processes involved in exiting domestic extremist organizations by analyzing the detailed life history accounts of 47 former domestic extremists.

Curated

When Does Rejection Trigger Aggression? A Multi-method Examination of the Multimotive Model, Mississippi, 2016-2019 (ICPSR 37616)

Released/updated on: 2023-12-14

Geographic coverage: Mississippi, United States

This study was a multi year examination of high school students in Mississippi and their experiences with social rejection, such as physical, social, verbal, or cyber peer victimization, including bullying. A one time national sample was also surveyed to compare students nationally against these local students. Additional methods were incorporated to enhance understanding of aggression through vignettes, daily diaries, and an experimental cyberball game.