Peer reviewedERIC Number: EJ180445
Record Type: Journal
Publication Date: 1977
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A Generalization of Coefficient Alpha
Raju, Nambury S.
Psychometrika, 42, 4, 549-65, Dec 77
Coefficient Alpha can be used to estimate the reliability of a test when the test is split into several parts. It is known that alpha can severly underestimate test reliability when the parts have an unequal number of items. A generalization of alpha is proposed to correct this defect. (Author/JKS)
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