Metodebevisregistrering

Multi-group McDonald's omega

Multi-group McDonald's omega estimates and compares the reliability of a scale across two or more distinct groups. Rooted in confirmatory factor analysis, it uses the factor loadings and unique variances from each group's measurement model to compute omega, then tests whether reliability is statistically equivalent across groups.

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Multi-group McDonald's Omega Reliability Analysis

Taksonomisk metoderegistrering · latent-structure / psychometrics

McDonald, R. P. (1999). Test Theory: A Unified Treatment. Lawrence Erlbaum Associates. · ISBN 978-0805830408
Hayes, A. F. & Coutts, J. J. (2020). Use omega rather than Cronbach's alpha for estimating reliability. But … Communication Methods and Measures, 14(1), 1–24. · DOI 10.1080/19312458.2020.1718629

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