Justice Sector Datalab

Research and evaluation collection

266 Results

Offenders on Indeterminate Sentences

Year: 2014

Agency: Corrections

Author: Corrections

Prisoners serving sentences of Life Imprisonment and Preventive Detention form a distinct sub-set of the prisoner population.  The following pages provide information about recent trends involving these offenders.  As will become apparent, numbers of prisoners serving indeterminate sentences have been growing steadily for several decades.

It is hoped that this analysis will improve understanding of this sub-group, and potentially stimulate improvements in the management of such offenders, both while in prison, and after their eventual release.

Family Violence Offenders

Year: 2014

Agency: Corrections

Author: Corrections

The term “family violence” covers a broad range of violent and controlling behaviours suffered by persons with whom a perpetrator shares (or has shared) an intimate, family or family-like relationship . Family violence can be physical, sexual and/or psychological in nature, actual or threatened, and may involve fear, intimidation and emotional deprivation. Family violence also includes behaviours that depart from a reasonable standard of care for children or vulnerable persons .

This paper sets out to describe the sub-group of offenders managed by the Department who are sentenced for family violence offences.

In the Corrections context, offences most commonly associated with family violence include assaults and injuring, sexual assault, threats and intimidation, property damage, and breaches of orders. In a small number of cases family violence involves homicide offences (Murder, Manslaughter).

Analysis of family violence offending is complex because of the range of offences involved, and because available data do not always clearly convey whether an offence relates specifically to family violence.  The data used for this analysis therefore comes from two sources; NZ Police data enables the linking of sentences to family violence offences, although this data is somewhat limited, spanning only the period January 2011 to December 2013; secondly, the Department’s own sentencing data includes certain codes that specify some offences as family violence-related.

Where definitive data is not available, data points have been estimated by calculating the rate of offenders starting family violence offences in 2011-2013 and extrapolating against the total number of unique offenders starting sentences each year.  These have been depicted as dotted lines on graphs.

Secondly, it is common for offenders to be sentenced on a number of different offences; in some cases, the mix of offences includes family violence offences, but these offences may or may not be the most serious in the mix. In this report, the term “family violence aggregate sentence” is used to refer to a sentence where any (one or more) of the offences relate to family violence.

Offender Population Report

Year: 2014

Agency: Corrections

Author: Corrections

The Offender Population Report (formerly known as the Offender Volumes Report) presents information about the offender population managed by the Department and helps Corrections plan and develop policies relating to offender management and rehabilitation.

The report analyses offender volume patterns by age, gender, ethnicity, offence group and sentence type, and how these have changed over the last few decades.

The Offender Population Report replaces the biennial prison census that was conducted from 1987-2003.

Tactical Options Research Reports

Year: 2014

Agency: NZ Police

Author: NZ Police

A series of regular research reports, including biannual and annual Tactical Options Research Reports that monitor tactical options deployment ie, handcuffs, empty hand tactics (physical force), OC spray (pepper spray), baton, TASER, dogs, and firearms.

Formative Evalution for the Alcohol and Other Drug Treatment (AODT) Court Pilot

Year: 2014

Agency: Ministry of Justice

Author: Litmus Limited

The Ministry of Justice commissioned Litmus Limited to undertake formative and process evaluations and a cost-effectiveness analysis of the Alcohol and Other Drug Treatment (AODT) Court being piloted in the Auckland and Waitakere District Courts. This document reports on the findings from the formative evaluation carried out in November 2013 after the AODT Court's first year of operation.

Public Perceptions of Crime and the Criminal Justice System Survey 2013

Year: 2013

Agency: Colmar Brunton

Author: Colmar Brunton

The Ministry of Justice commissioned Colmar Brunton to undertake a survey to investigate public perceptions about crime and the criminal justice system. The survey is intended to provide a robust and nuanced measure of public opinion on crime and the criminal justice system.

Justice Sector Seriousness Score (2012 revision): FAQs

Year: 2013

Agency: Ministry of Justice

Author: Charles Sullivan and Ong Su-Wuen

Seriousness scores are a way of quantifying the relative seriousness of offences based on the sentences imposed for each offence. Users need to be aware that sentences are an imperfect proxy for seriousness because they take into account factors other than seriousness of the offence under consideration (eg, previous criminal history of the offender).
Uses for seriousness scores across the justice sector include:

-Helping to determine the ‘most serious offence’ for an offender or case
-Department of Corrections risk of reimprisonment tool RoC*RoI
-Monitoring effectiveness of interventions (eg, to check whether seriousness of youth re-offending reduces after interventions).

Christmas/New Year 2013/14 National Crash Risk

Year: 2013

Agency: NZ Police

Author: NZ Police

This report aims to assess the traffic crash risk over the Christmas/New Year holiday period (henceforth referred to as the Christmas holiday period) 2013/14.

The analysis in this report compares data from previous Christmas holiday periods against year round results based on a daily average, using the full days around the holiday period. The date range is primarily from 2008/09 to 2012/13 financial years.

Mobility Trial Evaluation report

Year: 2013

Agency: NZ Police

Author: NZ Police

The introduction of mobile devices and applications to frontline Police officers represents a transformational change for New Zealand Police. Providing frontline officers with innovative, state of the art, mobile access to important Police systems, is a key component of New Zealand Police’s drive towards improving organisational capability and operational efficiency.

The Mobility Trial was the first step in the Mobility Work stream – part of the Policing Excellence portfolio of projects arising from a November 2009 report, A Comprehensive Approach to Policing Excellence, accepted by the Cabinet Strategy Committee.

The final report presents the findings from the evaluation of the New Zealand Police Mobility Trial undertaken over eleven months from February to December 2012.

Formative Evaluation of the Mothers with Babies Units

Year: 2013

Agency: Corrections

Author: OTS ConsultingMomentum Research & Evaluation Limited

Housing very young children in a prison setting is a challenging and very unusual situation for Corrections staff. The Department sought an independent evaluation of its management of these special units, to provide assurance that everything possible was being done to ensure that the children were safe, that the mothers’ and the babies’ best interests were being protected, and that the children’s developmental needs were being met.

The report summarised published research on mother with baby programmes in prisons, which consistently shows that mother with baby units do support development of secure attachment in the child and increased parenting skills and maternal sensitivity in the mothers; research also provides some evidence that mothers with baby units can help reduce re-offending.

The overall conclusions were that the units have continued to develop, that positive advances have been made, and an underlying “best interests of the child” approach to decision-making was evident.Issues noted as requiring further attention included having a mix of both male and female staff at MWB units, having dedicated unit staff, the frequency of parenting programmes, instituting alternative caregiver assessments, and shortening wait times for approval to enter the units. Also recommended were further training of new staff, and improved national co-ordination of the units and the ways in which the mothers with babies policy is managed.