Intraclass correlation reliablity estimates are based on the assumption that the various measures are equivalent. Jöreskog's (1970) general model for the analysis of covariance structures can be used to test the validity of this assumption.
Get full access to this article
View all access options for this article.
References
1.
Campbell, D. J. and Fiske, D. W.Convergent and divergent validation by the multitrait-multimethod matrix. Psychological Bulletin, 1959, 56, 81-105.
2.
Cronbach, L. J., Rajaratnam, N., and Gleser, G. C.Theory of generalizability: A liberalization of reliability theory. British Journal of Statistical Psychology, 1963, 16, 137-163.
3.
Gleser, G. C., Cronbach, J. J., and Rajaratnam, N.Generalizability of scores influenced by multiple sources of variance. Psychometrika, 1965, 30, 395-418.
4.
Jöreskog, K. C., van Thillo, M., and Gruaevus, G. T.ACOVSM— A general computer program for analysis of covariance structures including generalized MANOVA. Research Bulletin 71-1. Educational Testing Service, Princeton, N. J., January 1971.
5.
Jöreskog, K. G.A general method for analysis of covariance structures . Biometrika, 1970, 57, 239-251.
6.
Lord, F. M. and Novick, M. R.Statistical theories of mental test scores. Reading, Mass.: Addison-Wesley, 1968.
7.
Rajaratnam, N., Cronbach, L. J., an Gleser, G. C.Generalizability of stratified-parallel tests. Psychometrika , 1965, 30, 39-56.
8.
Stanley, J.C. Reliability. In Thorndike, R. L. (Ed.) Educational and Psychological Measurement, American Council on Education, Washington, D. C., 1971.
9.
Werts, C. E. and Linn, R. L.Corrections for attenuaion. EDUCATIONAL PSYCHOLOGICAL MEASUREMENT, 1972, 32, 117-127.
10.
Winer, B. J.Statistical principles in experimental design. New York: McGraw-Hill, 1962.