Reliability and Validity of the Dutch Version of the Behavioural Status Index: A Nurse-Rated Forensic Assessment Tool

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Abstract

The Behavioural Status Index (BEST-Index) has been introduced into Dutch forensic psychiatry to measure change in risk level of future violence.The BEST-Index is a structured observational measure that assesses aggressive behavior, degree of insight, social skills, self-care, and work and leisure skills during inpatient treatment.Thus far, limited information regarding the psychometric properties of the Dutch version of the BEST-index is available.The present study examines the reliability and validity of the Dutch BEST-Index in a sample of 291 mentally disordered offenders admitted to a forensic psychiatric hospital. Interrater reliability was investigated in a sample of 182 raters. Findings show that the Dutch BEST-Index can be used reliably and is significantly associated with risk of future violence and institutional aggression. Furthermore, this study revealed a different and clearer factor structure compared with the original one. Further research is needed to examine how these derived factors predict future recidivism.

Original languageEnglish
Pages (from-to)58-69
Number of pages12
JournalAssessment
Volume17
Issue number1
DOIs
Publication statusPublished - Mar 2010

Keywords

  • AGGRESSION SCALE
  • Behavioural Status Index
  • DECISION-MAKING
  • HCR-20
  • SAMPLE
  • VIOLENCE RISK-ASSESSMENT
  • factor analysis
  • forensic assessment
  • interrater reliability
  • observational measure
  • risk assessment
  • staff rating
  • violence

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