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Portland [Oregon] Domestic Violence Experiment, 1996-1997
As part of its organization-wide transition to community policing in 1989, the Portland Police Bureau, in collaboration with the Family Violence Intervention Steering Committee of Multnomah County, developed a plan to reduce domestic violence in Portland. The creation of a special police unit to focus exclusively on misdemeanor domestic crimes was the centerpiece of the plan. This police unit, the Domestic Violence Reduction Unit (DVRU), had two goals: to increase the sanctions for batterers and to empower victims. This study was designed to determine whether DVRU strategies led to reductions in domestic violence. Data were collected from official records on batterers (Parts 1-10), and from surveys on victims (Parts 11-12). Part 1 (Police Recorded Study Case Data) provides information on police custody reports. Part 2 (Batterer Arrest History Data) describes the arrest history during a five-year period prior to each batterer's study case arrest date. Part 3 (Charges Data for Study Case Arrests) contains charges filed by the prosecutor's office in conjunction with study case arrests. Part 4 (Jail Data) reports booking charges and jail information. Part 5 (Court Data) contains sentencing information for those offenders who had either entered a guilty plea or had been found guilty of the charges stemming from the study case arrest. Data in Part 6 (Restraining Order Data) document the existence of restraining orders, before and/or after the study case arrest date. Part 7 (Diversion Program Data) includes deferred sentencing program information for study cases. Variables in Parts 1-7 provide information on number of batterer's arrests for domestic violence and non-domestic violence crimes in the past five years, charge and disposition of the study case, booking charges, number of hours offender spent in jail, type of release, type of sentence, if restraining order was filed after case arrest, if restraining order was served or vacated, number of days offender stayed in diversion program, and type of diversion violation incurred. Part 8 (Domestic Violence Reduction Unit Treatment Data) contains 395 of the 404 study cases that were randomly assigned to the treatment condition. Variables describe the types of services DVRU provided, such as taking photographs along with victim statements, providing the victim with information on case prosecution, restraining orders, shelters, counseling, and an appointment with district attorney, helping the victim get a restraining order, serving a restraining order on the batterer, transporting the victim to a shelter, and providing the victim with a motel voucher and emergency food supply. Part 9 (Police Record Recidivism Data) includes police entries (incident or arrest) six months before and six months after the study case arrest date. Part 10 (Police Recorded Revictimization and Reoffending Data) consists of revictimization and reoffending summary counts as well as time-to-failure data. Most of the variables in Part 10 were derived from information reported in Part 9. Part 9 and Part 10 variables include whether the offense in each incident was related to domestic violence, whether victimization was done by the same batterer as in the study case arrest, type of police action against the victimization, charges of the victimization, type of premises where the crime was committed, whether the police report indicated that witnesses or children were present, whether the police report mentioned victim injury, weapon used, involvement of drugs or alcohol, whether the batterer denied abuse victim, number of days from study cases to police-recorded revictimization, and whether the recorded victimization led to the batterer's arrest. Part 11 (Wave 1 Victim Interview Data) contains data obtained through in-person interviews with victims shortly (1-2 weeks) after the case entered the study. Data in Part 12 (Wave 2 Victim Interview Data) represent victims' responses to the second wave of interviews,
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Spouse Abuse Replication Project in Metro-Dade County, Florida, 1987-1989
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The Metro-Dade project replicated an earlier study of domestic violence, the Minneapolis Domestic Violence Experiment (SPECIFIC DETERRENT EFFECTS OF ARREST FOR DOMESTIC ASSAULT: MINNEAPOLIS, 1981-1982 [ICPSR 8250]), which was conducted by the Police Foundation with a grant from the National Institute of Justice. The Metro-Dade study employed a research design that tested the relative effectiveness of various combinations of treatments that were randomly assigned in two stages. Initially, eligible spouse battery cases were assigned to either an arrest or a nonarrest condition. Later, cases were assigned either to receive or not to receive a follow-up investigation and victim counseling from a detective working with the Safe Streets Unit (SSU), a unit that deals specifically with domestic violence. Given the various treatment conditions employed, three types of dependent variables were examined: (1) prevalence--the proportion of suspects who engaged in repeat incidents, (2) incidence--the frequency with which repeat incidents occurred, and (3) "time to failure"--the interval between the presenting incident and subsequent incidents. Initial interviews were conducted with victims soon after the presenting incident, and follow-up interviews were attempted six months later. The interviews were conducted in either English or Spanish. The interview questions requested detailed background information about the suspect, victim, and any family members living with the victim at the time of the interview, including age, gender, and marital and employment status. Parallel sets of employment and education questions were asked about the victim and the suspect. Additionally, the interview questionnaire was designed to collect information on (1) the history of the victim's relationship with the suspect, (2) the nature of the presenting incident, including physical violence, property damage, and threats, (3) causes of the presenting incident, including the use of alcohol and drugs by both the victim and the offender, (4) actions taken by the police when they arrived on the scene, (5) the victim's evaluation of the services rendered by the police on the scene, (6) the nature of the follow-up contact by a detective from the Safe Street Unit and an evaluation of the services provided, (7) the victim's history of abuse by the offender, and (8) the nature of subsequent abuse since the presenting incident. Data for Parts 1 and 2 are self-reported data, obtained from interviews with victims. Part 4 consists of data recorded on Domestic Violence Continuation Report forms, indicating subsequent assaults or domestic disputes, and Part 5 contains criminal history data on suspects from arrest reports, indicating a subsequent arrest. The police report of the incident and information on the type of randomized treatment assigned to each case is given in Part 6.
Domestic Violence Experiment in King's County (Brooklyn), New York, 1995-1997
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The researchers sought to add to the incipient literature on randomized studies of batterer treatment, by conducting an experimental study that compared batterers assigned to treatment to batterers assigned to a community service program irrelevant to the problem of violence. The study was conducted using a true experimental design and consisted of 376 spousal assault cases drawn from the Kings County (New York) Criminal Court which were adjudicated between February 19, 1995, and March 1, 1996. Batterers were mandated to attend a 40-hour batterer treatment program or to complete 40 hours of community service. The random assignment was made at sentencing, after all parties (judge, prosecutor, and defense) had agreed that batterer treatment was appropriate, the defendant agreed to treatment and was accepted by the Alternatives to Violence (ATV) program, and the program was available based on the random assignment process. Interviews were also conducted with both the batterer and the victim at sentencing as well as 6 months post-sentence and 12 months post-sentence. These interviews collected data in areas regarding demographics (first interview only), recidivism, beliefs about domestic violence, conflict management strategies, locus of control, and for victims, self esteem. Administrative records were also used to obtain data regarding any new crimes committed.
Crime Control Effects of Prosecuting Intimate Partner Violence in Hamilton County, Ohio, 1993-1998
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The purpose of this research was to improve understanding of the conditions under which criminal sanctions do and do not reduce repeat violence between intimate partners. This study involved repeated reading and close inspection of four documents in order to compare and contrast the multivariate analyses reported by John Wooldredge and Amy Thistlethwaite (RECONSIDERING DOMESTIC VIOLENCE RECIDIVISM: INDIVIDUAL AND CONTEXTUAL EFFECTS OF COURT DISPOSITIONS AND STAKE IN CONFORMITY IN HAMILTON COUNTY, OHIO, 1993-1998 [ICPSR 3013]). The first part of this study's design involved the detailed literature review of four Wooldredge and Thistlethwaite publications between the years 1999 and 2005. The second element of the study's design required researchers to gain a detailed understanding of the archived data using the documentation provided by Wooldredge. The third element of the study's secondary analysis research design involved using the identified variables to reproduce the multivariate empirical findings about the effects of sanctions, stakes, and social context on repeat offending. These findings were presented in a series of tables in the four Wooldredge and Thistlethwaite publications. After numerous iterations of reading reports and documentation and exploring alternative measures and methods, researchers produced a report detailing their ability to reproduce Wooldredge and Thistlethwaite's descriptive measures. This study's design called for using explicit criteria for determining the extent to which Wooldredge and Thistlethwaite's findings could be reproduced. Researchers developed and applied three criteria for making that determination. The first was a simple comparison of the regression coefficients and standard errors. The second criterion was a determination of whether the reproduced results conformed to the direction and statistical significance levels of the original analyses. The third criterion was to apply a statistical test to assess the significance of any differences in the sizes of the original and the reproduced coefficients. The data archived by Wooldredge provided seven dichotomous measures of criminal sanctions (no charges filed, dismissed, acquitted, a treatment program, probation only, jail only, and a combination of probation and jail). Part of the design of this study was to go beyond reproducing Wooldredge and Thistlethwaite's approaches and to reformulate the available measures of criminal sanctions to more directly test the prosecution, conviction, and sentence severity hypotheses. The researchers produced these tests by constructing three new measures of criminal sanctions (prosecution, conviction, and sanction severity) and testing each of them in separate multivariate models. The Part 1 (Hamilton County, Ohio, Census Tract Data) data file contains 206 cases and 35 variables. The Part 2 (Neighborhood Data) data file contains 47 cases and 12 variables. The variables in Part 1 (Hamilton County, Ohio, Census Tract Data) include a census tract indicator, median household income of tract, several proportions such as number of college graduates in the tract and corresponding Z-scores, a regression factor score for analysis 1, a socio-economic factor, a census tract number for the city of Cincinnati, Ohio, and a Cincinnati neighborhoods indicator. Variables in Part 2 (Neighborhood Data) include a neighborhood indicator, average age in the neighborhood, demographic proportions such as proportion male in the neighborhood and proportion of college graduates in the neighborhood, and a social class factor.
Boston Police Department Domestic Violence Research Project, 1993-1994
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The Domestic Violence Research Project was a pilot study designed to examine the dynamics of domestic violence within two of the ten police districts that comprise the city of Boston. The objectives were to collect data on domestic violence in greater detail than previously possible, conduct various analyses on this information, and determine how the findings could best be used to improve the police, prosecutorial, and social service responses to domestic violence. Data for 1993 are a stratified random sample of reported domestic violence incidents occurring throughout the year. The sample represents approximately 27 percent of the domestic violence incidents reported in 1993 for the two districts studied, B3 and D4. The 1994 data include all reported incidents occurring in the two districts during the period May to July. After the incident selection process was completed, data were collected from police incident reports, follow-up investigation reports, criminal history reports, and court dockets. Variables include arrest offenses, time of incident, location of incident, witnesses (including children), nature and extent of injuries, drug and alcohol use, history of similar incidents, whether there were restraining orders in effect, and basic demographic information on victims and offenders. Criminal history information was coded into five distinct categories: (1) violent offenses, (2) nonviolent offenses, (3) domestic violence offenses, (4) drug/alcohol offenses, and (5) firearms offenses.
Milwaukee Domestic Violence Experiment, 1987-1989
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This study represents a modified replication of the Minneapolis Domestic Violence Experiment (SPECIFIC DETERRENT EFFECTS OF ARREST FOR DOMESTIC ASSAULT: MINNEAPOLIS, 1981-1982 [ICPSR 8250]). The Minneapolis study found arrest to be an effective deterrent against repeat domestic violence. The two key purposes of the current study were (1) to examine the possible differences in reactions to arrest, and (2) to compare the effects of short and long incarceration associated with arrest. Research protocol involved 35 patrol officers in four Milwaukee police districts screening domestic violence cases for eligibility, then calling police headquarters to request a randomly-assigned disposition. The three possible randomly assigned dispositions were (1) Code 1, which consisted of arrest and at least one night in jail, unless the suspect posted bond, (2) Code 2, which consisted of arrest and immediate release on recognizance from the booking area at police headquarters, or as soon as possible, and (3) Code 3, which consisted of a standard Miranda-style script warning read by police to both suspect and victim. A battered women's shelter hotline system provided the primary measurement of the frequency of violence by the same suspects both before and after each case leading to a randomized police action. Other forms of measurement included arrests of the suspect both before and after the offense, as well as offenses against the same victim. Initial victim interviews were attempted within one month after the first 900 incidents were compiled. A second victim interview was attempted six months after the incident for all 1,200 cases. Data collected for this study included detailed data on each of the 1,200 randomized events, less detailed data on an additional 854 cases found ineligible, "pipeline" data on the frequency of domestic violence in the four Milwaukee police districts, official measures of prior and subsequent domestic violence for both suspects and victims, interviews of arrested suspects for eligible and ineligible cases, criminal justice system dispositions of the randomized arrests, results of urinalysis tests of drug and alcohol use for some arrestees, and log attempts to obtain interviews from suspects and victims. Demographic variables include victim and suspect age, race, education, employment status, and marital status. Additional information obtained includes victim-offender relationships, alcohol and drug use during incident, substance of conflict, nature of victim injury and medical treatment as reported by police and victims, characteristics of suspects in the Code 1 and 2 arrest groups, victim and suspect reports of who called police, and victim and suspect versions of speed of police response.
Efficacy of Court-Mandated Counseling for Domestic Violence Offenders in Broward County, Florida, 1997-1998
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The ultimate purpose of the study was to test whether court-mandated counseling reduced the likelihood of repeat violence by men convicted of misdemeanor domestic violence. Researchers also tested the underlying theory arising from the reanalyses of the Minneapolis experiment (MINNEAPOLIS INTERVENTION PROJECT, 1986-1987 [ICPSR 9808]) and Spouse Assault Replication Programs (SARPs). This theory proposes that having a stake in conformity predicts when an intervention (whether an arrest or court-mandated treatment) will be effective in reducing the likelihood of subsequent violence. The study used a classical experimental design to test whether courts can effect change in men convicted of misdemeanor domestic violence by mandating them to participate in a spouse abuse abatement program (SAAP). All men convicted of misdemeanor domestic violence in Broward County, Florida, between May 1 and September 30, 1997, were randomly assigned to either an experimental or control group. The only exceptions were for those couples in which either defendant or victim did not speak English or Spanish; either defendant or victim was under 18 years of age; the defendant was severely mentally ill; or the judge, at the time of sentencing, allowed the defendant to move to another jurisdiction and serve his probation through mail contact. Of the remaining 404 defendants, men in the control group were sentenced to 1 year's probation and men in the experimental group were sentenced to 1 year's probation and mandated into one of the five local SAAPs. In an effort to determine the true amount of change in individuals undergoing court-mandated counseling, the researchers included various measures from several sources. Each batterer was interviewed at time of adjudication and again six months after adjudication. The victim was also interviewed at adjudication and 6 and 12 months after adjudication. Standardized measures with known reliability were used when possible. Probation records and computer checks with the local police for all new arrests were used to track the defendants for one year after adjudication. The defendant interviews asked questions to assess the defendant's stake in conformity including those dealing with his relationship to the victim, his employment, his residential stability and his relationship to others. Included in these interviews were questions from an abbreviated version of the Crowne-Marlowe Social Desirability Scale, the Shortened Attitudes Towards Women Scale, the Inventory of Beliefs About Wife Beating (IBWB), and the Revised Conflict Tactics Scale. The data file also includes questions dealing with offenders' perceptions of the fairness of the criminal justice process they had just been through, who they believed was responsible for the instant offense that brought them to court, and whether they felt coerced into the batterer's program. The victim interviews were similar to the defendants though most of the questions asked the victim to provide information about the offender and his relationship with her. The woman was also asked to provide information on her work history, who she regularly spent time with, whether she had spoken with family, friends, and neighbors about her relationship with the offender and, if she had, if they were critical of her or her partner's actions in the particular incident leading to this court case. Similar to the offender's interviews, victims were asked about the history of violence in their home of origin and the particular incident bringing the offender to court. The probation reports provided information on the offender's criminal history, behavior in the community for the year while under supervision, and compliance with the batterer program.
Charlotte [North Carolina] Spouse Assault Replication Project, 1987-1989
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This study is a replication and extension of an experiment conducted in Minneapolis (MINNEAPOLIS INTERVENTION PROJECT, 1986-1987 [ICPSR 9808]) to test the efficacy of three types of police response to spouse abuse. Three experimental treatments were employed: (1) advising and possibly separating the couple, (2) issuing a citation (an order to appear in court to answer specific charges) to the offender, and (3) arresting the offender. The main focus of the project concerned whether arrest is the most effective law enforcement response for deterring recidivism of spouse abusers. Cases were randomly assigned to one of the three treatments and were followed for at least six months to determine whether recidivism occurred. Measures of recidivism were obtained through official police records and victim interviews. Cases that met the following eligibility guidelines were included in the project: (1) a call involving a misdemeanor offense committed by a male offender aged 18 or over against a female victim aged 18 or over who were spouses, (2) ex-spouses, (3) cohabitants, or (4) ex-cohabitants. Also, both suspect and victim had to be present when officers arrived at the scene. Victims were interviewed twice. The first interview occurred shortly after the "presenting incident," the incident that initiated a call for police assistance. This initial interview focused on episodes of abuse that occurred between the time of the presenting incident and the day of the initial interview. In particular, detailed data were gathered on the nature of physical violence directed against the victim, the history of the victim's marital and cohabitating relationships, the nature of the presenting incident prior to the arrival of the police, the actual actions taken by the police at the scene, post-incident separations and reunions of the victim and the offender, recidivism since the presenting incident, the victim's previous abuse history, alcohol and drug use of both the victim and the offender, and the victim's help-seeking actions. Questions were asked regarding whether the offender had threatened to hurt the victim, actually hurt or tried to hurt the victim, threatened to hurt any member of the family, actually hurt or tried to hurt any member of the family, threatened to damage property, or actually damaged any property. In addition, criminal histories and arrest data for the six-month period subsequent to the presenting incident were collected for offenders. A follow-up interview was conducted approximately six months after the presenting incident and focused primarily on recidivism since the initial interview. Arrest recidivism was defined as any arrest for any subsequent offense by the same offender against the same victim committed within six months of the presenting incident. Victims were asked to estimate how often each type of victimization had occurred and to answer more detailed questions on the first and most recent incidents of victimization.
Minneapolis Intervention Project, 1986-1987
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This collection investigates the impact of increased activity of community intervention projects on the incidence of domestic abuse. In particular, the data provide an opportunity to evaluate the impact of police actions and court-ordered abuser treatment on the continued abuse of victims. The data file includes demographic information such as victim's age, race, and sex, and perpetrator's age, birthdate, relationship to the victim, sex, and physical or mental disabilities. Other variables describe the location and description of the incident, the number and gender of victims and perpetrators, and the outcome of the police intervention, i.e., arrest or nonarrest. Interviews with victims provided information regarding previous history of police intervention for domestic abuse, specific information about the violence suffered and resulting injuries, the frequency and type of abuse suffered in the six months prior to the violent incident in question, the type of police intervention used, and the victim's satisfaction with the responses of police. In addition, the 6- and 12-month interviews contain data regarding the change in the victim's relationship status since the last interview, satisfaction with the relationship, continued abuse and criminal justice involvement, use of support services by the victim or members of the victim's family, and satisfaction with these services.
Longitudinal Study of a Cohort of Batterers Arraigned in a Massachusetts District Court, 1995-2004
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This longitudinal study, a follow-up to RESPONSE TO DOMESTIC VIOLENCE IN THE QUINCY, MASSACHUSETTS DISTRICT COURT, 1995-1997 (ICPSR 3076), examined the relationship between the actions of a district court in eastern Massachusetts and a cohort of men arrested for domestic abuse between February 1995 and March 1996. Using criminal history records, this study followed the criminal behavior of 342 men until December 2004. Some of the variables in Part 1, Arrest Data, include the dates of arrests, dispositions, and restraining orders issued, the arrest charge, disposition of the case, and the relationship between the offender and the victim. In Part 2, Recidivism Data, variables include the age at first arrest, date of arrest and time to subsequent arrests, arrest charge, length of criminal career, and whether the offender is a recidivist.
Evaluation of a Centralized Response to Domestic Violence by the San Diego County Sheriff's Department Domestic Violence Unit, 1998-1999
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This study examined the implementation of a specialized domestic violence unit within the San Diego County Sheriff's Department to determine whether the creation of the new unit would lead to increased and improved reporting, and more filings for prosecution. In order to evaluate the implementation of the specialized domestic violence unit, the researchers conducted the following tasks: (1) They surveyed field deputies to assess their level of knowledge about domestic violence laws and adherence to the countywide domestic violence protocol. (2) They studied a sample from the case tracking system that reported cases of domestic violence handled by the domestic violence unit to determine changes in procedures compared to an earlier case tracking study with no specialized unit. (3) They interviewed victims of domestic violence by phone to explore the responsiveness of the field deputies and the unit detectives to the needs of the victims. Part 1 (Deputy Survey Data) contains data on unit detectives' knowledge about the laws concerning domestic violence. Information includes whether or not the person considered the primary aggressor was the person who committed the first act of aggression, if a law enforcement officer could decide whether or not to complete a domestic violence supplemental report, whether an arrest should be made if there was reasonable cause to believe that a misdemeanor offense had been committed, and whether the decision to prosecute a suspect lay within the discretion of the district or city attorney. Demographic variables include deputy's years of education and law enforcement experience. Part 2 (Case Tracking Data) includes demographic variables such as race and sex of the victim and the suspect, and the relationship between the victim and the suspect. Other information was collected on whether the victim and the suspect used alcohol and drugs prior to or during the incident, if the victim was pregnant, if children were present during the incident, highest charge on the incident report, if the reporting call was made at the same place the incident occurred, suspect actions described on the report, if a gun, knife, physical force, or verbal abuse was used in the incident, if the victim or the suspect was injured, and if medical treatment was provided to the victim. Data were also gathered on whether the suspect was arrested or booked, how the investigating officer decided whether to request that the prosecutor file charges, type of evidence collected, if a victim or witness statement was collected, if the victim had a restraining order, prior history of domestic violence, if the victim was provided with information on domestic violence law, hotline, shelter, transportation, and medical treatment, highest arrest charge, number of arrests for any drug charges, weapon charges, domestic violence charges, or other charges, case disposition, number of convictions for the charges, and number of prior arrests and convictions. Part 3 (Victim Survey Data) includes demographic variables such as victim's gender and race. Other variables include how much time the deputy spent at the scene when s/he responded to the call, number of deputies the victim interacted with at the scene, number of deputies at the scene that were male or female, if the victim used any of the information the deputy provided, if the victim used referral information for counseling, legal, shelter, and other services, how helpful the victim found the information, and the victim's rating of the performance of the deputy.
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