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The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice / KAREN CAULFIELD

Swansea University Author: KAREN CAULFIELD

Abstract

The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) risk assessment is used by most UK police forces to assess risk in domestic abuse cases. This research assesses the efficacy of DASH in identifying offenders who commit deadly, potentially deadly, or persistent acts of dome...

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Published: Swansea, Wales, UK 2023
Institution: Swansea University
Degree level: Master of Research
Degree name: MSc by Research
Supervisor: Gray, N; Pridmore, J.
URI: https://cronfa.swan.ac.uk/Record/cronfa65666
first_indexed 2024-02-23T10:59:03Z
last_indexed 2024-11-25T14:16:35Z
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recordtype RisThesis
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spelling 2024-04-08T12:48:42.4067423 v2 65666 2024-02-22 The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice 6d43a9a4ec5ff7e0aaec335c945a2b7e KAREN CAULFIELD KAREN CAULFIELD true false 2024-02-22 The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) risk assessment is used by most UK police forces to assess risk in domestic abuse cases. This research assesses the efficacy of DASH in identifying offenders who commit deadly, potentially deadly, or persistent acts of domestic abuse. A random sample of 814 offenders were selected from domestic abuse incidents which occurred in the Dyfed-Powys Police area in Wales, UK, between January 2016 to December 2019. Responses to DASH from an offenders’ previous domestic abuse offence were analysed using Signal Detection Theory to calculate the Area Under the Curve. This determined if the level of risk based on the victims DASH responses could effectively predict the seriousness of a future domestic abuse incident. Each DASH item was examined by calculating the odds ratio to determine significant differences between the control group and the deadly offenders and the persistent offenders. The DASH performed well at predicting deadly offenders (AUC=0.67), and moderately well at predicting persistent offenders (AUC=0.60).The odds ratio analyses on the individual items of DASH identified 6 of the 27 questions had a large effect in differentiating between deadly offenders and control cases. 15 questions could identify persistent offenders compared to control cases. Although the DASH was found to be quite effective at predicting deadly and persistent offenders in operational police setting, there are more effective and efficient ways of determining risk levels of domestic abuse cases. The impact on the victim and time administering the DASH can be significantly reduced by asking only those questions found to have a significant effect on determining level of risk. E-Thesis Swansea, Wales, UK 23 11 2023 2023-11-23 Due to Embargo and/or Third Party Copyright restrictions, this thesis is not available via this service. COLLEGE NANME COLLEGE CODE Swansea University Gray, N; Pridmore, J. Master of Research MSc by Research Dyfed -Powys Police and Faculty of Medicine, Health, and Life Science Swansea University 2024-04-08T12:48:42.4067423 2024-02-22T13:58:17.0118858 Faculty of Medicine, Health and Life Sciences School of Psychology KAREN CAULFIELD 1
title The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice
spellingShingle The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice
KAREN CAULFIELD
title_short The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice
title_full The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice
title_fullStr The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice
title_full_unstemmed The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice
title_sort The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) Risk Assessment for Police: An Analysis of Efficacy in Practice
author_id_str_mv 6d43a9a4ec5ff7e0aaec335c945a2b7e
author_id_fullname_str_mv 6d43a9a4ec5ff7e0aaec335c945a2b7e_***_KAREN CAULFIELD
author KAREN CAULFIELD
author2 KAREN CAULFIELD
format E-Thesis
publishDate 2023
institution Swansea University
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
document_store_str 0
active_str 0
description The Domestic Abuse, Stalking and Harassment and Honour-Based Violence (DASH) risk assessment is used by most UK police forces to assess risk in domestic abuse cases. This research assesses the efficacy of DASH in identifying offenders who commit deadly, potentially deadly, or persistent acts of domestic abuse. A random sample of 814 offenders were selected from domestic abuse incidents which occurred in the Dyfed-Powys Police area in Wales, UK, between January 2016 to December 2019. Responses to DASH from an offenders’ previous domestic abuse offence were analysed using Signal Detection Theory to calculate the Area Under the Curve. This determined if the level of risk based on the victims DASH responses could effectively predict the seriousness of a future domestic abuse incident. Each DASH item was examined by calculating the odds ratio to determine significant differences between the control group and the deadly offenders and the persistent offenders. The DASH performed well at predicting deadly offenders (AUC=0.67), and moderately well at predicting persistent offenders (AUC=0.60).The odds ratio analyses on the individual items of DASH identified 6 of the 27 questions had a large effect in differentiating between deadly offenders and control cases. 15 questions could identify persistent offenders compared to control cases. Although the DASH was found to be quite effective at predicting deadly and persistent offenders in operational police setting, there are more effective and efficient ways of determining risk levels of domestic abuse cases. The impact on the victim and time administering the DASH can be significantly reduced by asking only those questions found to have a significant effect on determining level of risk.
published_date 2023-11-23T05:19:25Z
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score 11.096068

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