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Strong Claims And Weak Evidence: Reassessing The Predictive Validity Of The Iat, Hart Blanton, James Jaccard, Jonathan Klick, Barbara Mellers, Gregory Mitchell, Philip Tetlock

All Faculty Scholarship

The authors reanalyzed data from 2 influential studies — A. R. McConnell and J. M. Leibold (2001) and J. C. Ziegert and P. J. Hanges (2005) — that explore links between implicit bias and discriminatory behavior and that have been invoked to support strong claims about the predictive validity of the Implicit Association Test. In both of these studies, the inclusion of race Implicit Association Test scores in regression models reduced prediction errors by only tiny amounts, and Implicit Association Test scores did not permit prediction of individual-level behaviors. Furthermore, the results were not robust when the impact of rater …