Psychological Empowerment as a Multidimensional Construct: A Test of Construct Validity

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Abstract
The construct validity of scores on Spreitzer’s Psychological Empowerment scale was examined. Confirmatory factor analysis (CFA) of data from a sample of 160 nurses showed substantial support for Spreitzer’s four empowerment dimensions: meaning, competence, self-determination, and impact. In contrast to Spreitzer’s findings, the results of this study indicated that self-determination is a precursor of impact. This finding was cross-validated with data from a subset of the same sample 1 year later, after implementation of a job redesign program. In addition, results from structural equation modeling (SEM) demonstrated job characteristics to relate differentially to the empowerment dimensions, providing evidence for both convergent and discriminant validity of scores on the four empowerment dimensions. Finally, this study found that the four empowerment dimensions differentially related to organizational commitment and career intentions, providing evidence for the predictive validity of the Empowerment scale scores.

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