Journal
ORGANIZATIONAL RESEARCH METHODS
Volume 22, Issue 4, Pages 1007-1018Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/1094428118780310
Keywords
item response theory; quantitative research; survey research; quantitative research; measurement design; research design
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Self-report personality scales are used frequently in personnel selection. Traditionally, researchers have assumed that individuals respond to items within these scales using a single-decision process. More recently, a flexible set of item response (IR) tree models have been developed that allow researchers to investigate multiple-decision processes. In the present research, we found that IR tree models fit the data better than a single-decision IR model when fitted to seven self-report personality scales used in a concurrent criterion-related validity study. In addition, we found evidence that the latent variable underlying the direction of a response (agree or disagree) decision process predicted job performance better than latent variables reflecting the other decision processes for the best fitting IR tree model.
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