Abstract
An important relationship is given for two generalizations of coefficient alpha, Rajaratnam, Cronbach and Gleser's generalizability formula for stratified-parallel tests and Raju's coefficient beta.
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References
Cronbach, L. J. Coefficient alpha and the internal structure of tests.Psychometrika, 1951,16, 297–334.
Rajaratnam, N., Cronbach, L. J., & Gleser, G. C. Generalizability of stratified-parallel tests.Psychometrika, 1965,30, 39–56.
Raju, N. S. A generalization of coefficient alpha,Psychometrika, 1977,42, 549–565.
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The author gratefully acknowledges the generous assistance given by reviewers and the editor.
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Raju, N.S. Note on two generalizations of coefficient alpha. Psychometrika 44, 347–349 (1979). https://doi.org/10.1007/BF02294700
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DOI: https://doi.org/10.1007/BF02294700