Measurement tools for behaviours that challenge and behavioural function in people with intellectual disability: A systematic review and meta-analysis of internal consistency, inter-rater reliability, and test-retest reliability

Lauren Shelley*, Chris Jones, Effie Pearson, Caroline Richards, Hayley Crawford, Arianna Paricos, Courtney Greenhill, Alixandra Woodhead, Joanne Tarver, Jane Waite

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

Behaviours that challenge (BtC) are common in people with intellectual disability (ID) and associated with negative long-term outcomes. Reliable characterisation of BtC and behavioural function is integral to person-centred interventions. This systematic review and meta-analytic study quantitatively synthesised the evidence-base for the internal consistency, inter-rater reliability, and test-retest reliability of measures of BtC and behavioural function in people with ID (PROSPERO: CRD42021239042). Web of Science, Embase, PsycINFO and MEDLINE were searched from inception to March 2024. Retrieved records (n = 3691) were screened independently to identify studies assessing eligible measurement properties in people with ID. Data extracted from 83 studies, across 29 measures, were synthesised in a series of random-effects meta-analyses. Subgroup analyses assessed the influence of methodological quality and study-level characteristics on pooled estimates. COSMIN criteria were used to evaluate the measurement properties of each measure. Pooled estimates ranged across measures: internal consistency (0.41–0.97), inter-rater reliability (0.29–0.93) and test-retest reliability (0.52–0.98). The quantity and quality of evidence varied substantially across measures; evidence was frequently unavailable or limited to a single study. Based on current evidence, candidate measures with the most evidence for internal consistency and reliability are discussed; however, continued assessment of measurement properties in ID populations is a key priority.
Original languageEnglish
Article number102434
Number of pages19
JournalClinical Psychology Review
Volume110
Early online date16 Apr 2024
DOIs
Publication statusE-pub ahead of print - 16 Apr 2024

Bibliographical note

Copyright © 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/).

Data Access Statement

Data availability is not applicable to this article as no new data were created or analysed in this study.

Keywords

  • Intellectual disability
  • Behaviours that challenge
  • Function
  • Measurement
  • Measurement properties

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