title: A reliability generalization meta-analysis of coefficient alpha for the Reynolds Adolescent Depression Scale.
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.
authors: Office of Educational Development, Oklahoma State University Center for Health Sciences, Tulsa, OK 74107, USA. matt.vassar@okstate.edu
authors: Matt
authors: M
authors: Vassar
authors: Greg
authors: G
authors: Bradley
mesh_terms: D000293:Adolescent; D003863:Depression / Q000175:diagnosis*; D003866:Depressive Disorder / Q000175:diagnosis*; D006801:Humans; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data*; D011594:Psychometrics / Q000706:statistics & numerical data; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires