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Psychol Rep. 1991 Aug;69(1):111-4.

Coefficients alpha for components.

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1
Educational Testing Service, Berkeley, California.

Abstract

The formula for coefficient alpha for a component is developed. Kaiser's special formula for coefficient alpha for a principal component and the Kaiser-Guttman Rule for the "number of components" are mentioned. A numerical example is added. It is conjectured that the sum of coefficients alpha is invariant under orthogonal rotation.

PMID:
1961777
DOI:
10.2466/pr0.1991.69.1.111
[Indexed for MEDLINE]
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