Industrial and Organizational Psychology: Perspectives on Science and Practice
Content Validation is Useful for Many Things,
but Validity Isn’t One of Them
by Kevin R. Murphy
Abstract:
Content-oriented validation strategies establish the validity of selection tests as predictors of performance by comparing the content of the tests to the content of the job. These comparisons turn out to have little if any bearing on the predictive validity of selection tests. There is little empirical support for the hypothesis that the match between job content and test content influences validity, and there are often structural factors in selection (e.g., positive correlations among selection tests) that strongly limit the possible influence of test content on validity. Comparisons between test content and job content have important implications for the acceptability of testing, the defensibility of tests in legal proceedings, and the transparency of test development and validation, but these comparisons have little if any bearing on validity.
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