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Do Risk Assessment Tools Help to Manage and Reduce Risk of Violence and Reoffending? A Systematic Review

Resource type
Date created
2018-06
Authors/Contributors
Abstract
Although it is widely believed that risk assessment tools can help manage risk of violence and offending, it is unclear what evidence exists to support this view. As such, we conducted a systematic review and narrative synthesis. To identify studies, we searched 13 databases, reviewed reference lists, and contacted experts. Through this review, we identified 73 published and unpublished studies (N = 31,551 psychiatric patients and offenders, N = 10,002 professionals) that examined either professionals’ risk management efforts following the use of a tool, or rates of violence or offending following the implementation of a tool. These studies included a variety of populations (e.g., adults, adolescents), tools, and study designs. The primary findings were as follows: (1) despite some promising findings, professionals do not consistently adhere to tools or apply them to guide their risk management efforts; (2) following the use of a tool, match to the risk principle is moderate and match to the needs principle is limited, as many needs remained unaddressed; (3) there is insufficient evidence to conclude that tools directly reduce violence or reoffending, as findings are mixed; and (4) tools appear to have a more beneficial impact on risk management when agencies use careful implementation procedures and provide staff with training and guidelines related to risk management. In sum, although risk assessment tools may be an important starting point, they do not guarantee effective treatment or risk management. However, certain strategies may bolster their utility.
Document
Published as
Viljoen, J. L., Cochrane, D. M., & Jonnson, M. R. (2018). Do risk assessment tools help manage and reduce risk of violence and reoffending? A systematic review. Law and Human Behavior, 42(3), 181–214. https://doi-org.proxy.lib.sfu.ca/10.1037/lhb0000280
Publication title
Law and Human Behavior
Document title
Do Risk Assessment Tools Help to Manage and Reduce Risk of Violence and Reoffending? A Systematic Review
Date
2018
Volume
42
Issue
3
First page
181
Last page
214
Copyright statement
Copyright is held by the author(s).
Scholarly level
Peer reviewed?
Yes
Language
English
Member of collection

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