Latent structure
Cronbach's Alpha (Reliability Analysis)
Cronbach's alpha is a coefficient of internal consistency that quantifies the degree to which a set of items on a scale measures the same underlying construct. Introduced by Lee J. Cronbach in 1951, it remains the most widely reported reliability index in social-science, health, and educational research.
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Sources
- Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334. DOI: 10.1007/BF02310555 ↗
- Nunnally, J. C. & Bernstein, I. H. (1994). Psychometric Theory (3rd ed.). McGraw-Hill. ISBN: 978-0070478497
Related methods
Referenced by
2PL IRT3PL IRTBifactor ModelCAT Cronbach's AlphaCAT Test-Retest ReliabilityCFACFA — Scale ValidationEFAEFA for Scale DevelopmentG-TheoryInterrater ReliabilityIntraclass Correlation CoefficientItem AnalysisLongitudinal McDonald's omegaMcDonald's OmegaMcDonald's OmegaMultilevel Reliability AnalysisMultilevel Test-Retest ReliabilityOrdinal EFAOrdinal McDonald's omegaOrdinal Reliability AnalysisRasch ModelRobust Test-Retest ReliabilityShort-form reliability analysisShort-form test-retest reliability