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Research to Validate the New Zealand Police Youth Offending Risk Screening Tool (YORST)

This report, by Dr Elaine Mossman,  responds to a request by the New Zealand Police to conduct a literature review of risk screening instruments for youth offenders, with a particular focus on the methods used to establish validity and reliability of these tools, including validation across cultures. The purpose of the literature review is to inform a larger project that aims to assess the validity, reliability and predictive capability ofthe New Zealand Police Youth Offending Risk Screening Tool (YORST).

https://www.police.govt.nz/sites/default/files/yorst-screening-and-assessment-of-young-offenders-literature-review.pdf

https://www.police.govt.nz/sites/default/files/yorst-predictive-ability-analysis.pdf