Crime Commission Rates Among Incarcerated Felons in Nebraska, 1986-1990 (ICPSR 9916)
These data focus on rates of criminal offending obtained through the use of self-report surveys. Specifically, the study investigates whether two different types of self-report surveys produce different estimates of lambda, an individual's frequency of criminal offending. The surveys, which were administered during personal interviews with inmates in Nebraska prisons, differed in how respondents were asked about their frequency of criminal offending. The more detailed survey asked respondents to indicate their offenses on a month-by-month basis for the reporting period. The less detailed survey only asked respondents to indicate their offending for the entire reporting period. These data also provide information on the relationship between race and offending frequencies, the rates of offending over time and by crime category, and the individual's subjective probability of punishment and offending frequency. The specific crimes targeted in this collection include burglary, business robbery, personal robbery, assault, theft, forgery, fraud, drug dealing, and rape. All respondents were asked questions on criminal history, substance abuse, attitudes about crime and the judicial system, predictions of future criminal behavior, and demographic information, including age, race, education, and marital status.
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Horney, Julie, and Ineke Haen Marshall. CRIME COMMISSION RATES AMONG INCARCERATED FELONS IN NEBRASKA, 1986-1990. Conducted by Julie Horney and Ineke Haen Marshall, University of Nebraska, Omaha. 2nd ICPSR ed. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [producer and distributor], 1993. http://doi.org/10.3886/ICPSR09916.v2
Persistent URL: http://doi.org/10.3886/ICPSR09916.v2
This study was funded by:
- United States Department of Justice. Office of Justice Programs. National Institute of Justice (89-IJ-CX-0030)
Scope of Study
The column positions indicated on the data collection instruments are not the column positions in the raw data file.
Study Purpose: In the late 1970s the RAND Corporation conducted a survey of inmates, which became known as the RAND Second Inmate Survey (SURVEY OF JAIL AND PRISON INMATES, 1978: CALIFORNIA, MICHIGAN, TEXAS [ICPSR 8169]), to estimate lambda, an individual's frequency of offending. The current study is essentially a replication of the RAND study, with certain modifications, and was designed to address criticisms of the original work and to provide more detailed information on rates of criminal offending. The principal investigators gathered data to address a number of issues. First, they wanted to determine if lambda, calculated from responses to a modified survey, differs from lambda determined by the RAND method. The modified survey differs from the RAND survey in that it contains more detailed calendars for reporting periods of criminal activity. The more detailed calendars are believed to provide better cues for recalling past criminal activity. Also, the RAND data were collected through self-administered questionnaires. The current data were collected through personal interviews with prisoners. Personal interviews were conducted to reduce the amount of missing and ambiguous responses found in self-administered surveys. A criticism of the RAND study is that missing and ambiguous responses may have led to inflated values of lambda. Next, the investigators explored whether the RAND study's results regarding race and individual offending frequencies could be replicated. Whether rates of criminal activity vary over time and by crime category were also studied. In addition, the investigators gathered data to investigate the relationship between an individual's subjective probability of punishment and the frequency of offending. The results of the research should be useful in developing crime intervention strategies.
Study Design: A central purpose of the study was to compare lambda determined by the RAND study with lambda determined by the investigators' method. Seven hundred male prisoners in Nebraska were randomly assigned to either a control group or an experimental group. The control group was interviewed using the RAND method. The experimental group was interviewed using the investigators' more detailed month-by-month reporting method. Each interviewing method required determining the respondent's "street months." Under the RAND method, respondents were shown a 24-month calendar. Only the time period prior to their arrest for their current conviction was relevant. The interviewer crossed off any months during which the respondent had been incarcerated in that time period. The remaining months were the street months, the time available to commit crimes. The same procedure was used for the experimental group, except that a 36-month calendar was used. This was done so that a longer period of time was available to study variability in offending rates. For comparison of lambda based on the two methods, lambda of the experimental group was based on the 24-month calendar. Under each interviewing method, respondents were asked if they had committed any of certain target offenses (burglary, business robbery, personal robbery, assault, theft, auto theft, forgery, fraud, drug dealing, and rape) during their street months. With the RAND method, respondents were asked how often they had committed each target crime during the total street months. Under the experimental method, respondents indicated the specific months during which they committed the target offenses and their frequency of offending by month. In order to have a larger sample with detailed information, those in the control group were also given a supplemental survey after completing their original survey. The supplement asked the frequency of offense questions using the month-by-month method of the experimental group. The monthly data are available for 658 of the 700 inmates interviewed.
Description of Variables: Topics covered in the interviews include criminal history, substance abuse, attitudes about crime and the judicial system, predictions of future criminal behavior, and demographic information.
Response Rates: Interviews were conducted with 700 inmates admitted to the Diagnostic and Evaluation Unit of the Nebraska Department of Corrections. This represents 90 percent of the prisoners admitted to the unit during a nine-month period. A total of 746 inmates were asked to be interviewed, and 700 (94 percent) agreed to participate.
Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:
- Performed consistency checks.
- Performed recodes and/or calculated derived variables.
Original ICPSR Release: 1993-10-02
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