A reliability generalization meta-analysis of coefficient alpha for the Reynolds Adolescent Depression Scale

Matt Vassar, Greg Bradley

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

The purpose of this study was to use a meta-analytic method known as reliability generalization to investigate the score reliability for a popular depression measure: The Reynolds Adolescent Depression Scale. We used the technique to provide an aggregate estimate of coefficient alpha across empirical studies that have employed the measure over time and across populations. Furthermore, we identified sample and demographic characteristics associated with variance in coefficient alpha. We discuss conditions associated with variability in coefficient alpha and alert researchers and practitioners to appropriate uses of the scale based on common reliability benchmarks.

Original languageEnglish
Pages (from-to)519-527
Number of pages9
JournalClinical Child Psychology and Psychiatry
Volume17
Issue number4
DOIs
StatePublished - 1 Oct 2012

Keywords

  • Reynolds Adolescent Depression Scale
  • alpha
  • meta-analysis
  • psychometric
  • reliability generalization

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