A Test for Change of Composite Reliability in Scale Development
Multivariate Behavioral ResearchPublished 1 April 2003
Tenko Raykov, David Grayson
Citations57
SJR quartileQ1
SJR score2.71
SNIP2.12
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Abstract
Abstract A test for change in composite reliability as a result of scale revision or modification is proposed. The approach can be used either in a one-tailed manner to test for increase (or decrease) in reliability or in a two-tailed fashion to test for a difference in the composite reliability coefficients as a consequence of dropping or adding one or more components. The procedure is useful for purposes of examining whether a revision changes the population reliability of a scale undergoing development. The method can also be utilized for addressing questions about shortening of long scales. The outlined approach is illustrated with a pair of examples.
Keywords
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