This review of 122 research reports (184 independent samples, 14,900 subjects) found average r ϭ .274 for prediction of behavioral, judgment, and physiological measures by Implicit Association Test (IAT) measures. Parallel explicit (i.e., self-report) measures, available in 156 of these samples (13,068 subjects), also predicted effectively (average r ϭ .361), but with much greater variability of effect size. Predictive validity of self-report was impaired for socially sensitive topics, for which impression..