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The Problem Behaviour Checklist: short scale to assess challenging behaviours.

Peter Tyrer1, Jessica Nagar2, Rosie Evans3

  • 1, FMedSci, Centre for Mental Health, Imperial College London, London, UK.

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Summary

The Problem Behaviour Checklist (PBCL) is a new, practical tool for assessing challenging behaviors in individuals with intellectual disabilities. It demonstrates good reliability and validity, aiding in comprehensive evaluation.

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Area of Science:

  • Psychiatry
  • Psychology
  • Intellectual Disability Research

Background:

  • Challenging behaviors in intellectual disability require further evaluation.
  • Existing assessment tools may not cover all aspects comprehensively.

Purpose of the Study:

  • To develop a short, comprehensive instrument for assessing all facets of challenging behavior.
  • Introduce the Problem Behaviour Checklist (PBCL).

Main Methods:

  • A 28-item scale was constructed and refined through factor analysis to create the PBCL.
  • The PBCL was validated in a randomized controlled trial, assessing interrater reliability and comparing scores with the Modified Overt Aggression Scale (MOAS).

Main Results:

  • The PBCL identified seven factors: personal violence, property violence, self-harm, sexually inappropriate, contrary, demanding, and disappearing behaviors.
  • Factor analysis indicated demanding, violent, and contrary behaviors explained most variance.
  • High interrater reliability (kappa=0.91) and good agreement with MOAS were observed, with PBCL score of 1 showing 97% sensitivity and 85% specificity for MOAS score of 4.

Conclusions:

  • The Problem Behaviour Checklist (PBCL) is a suitable and practical scale for assessing diverse challenging behaviors.
  • The PBCL aids in the comprehensive evaluation of individuals with intellectual disabilities exhibiting challenging behaviors.