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Measuring Cognitive Ability With The Overclaiming Technique, Delroy L. Paulhus, Peter D. Harms

Leadership Institute: Faculty Publications

The overclaiming technique requires respondents to rate their familiarity with a list of general knowledge items (persons, places, things). Because 20% of the items are foils (i.e., do not exist), the response pattern can be analyzed with signal detection methods to yield the accuracy and bias scores for each respondent. In Study 1, the accuracy index showed strong associations with two standard IQ tests (β = .50–.59). Study 2 replicated the validity of the accuracy index with IQ and showed coherent associations with school grades, peer ratings, and self-ratings. Study 3 ensured that the validity of the accuracy index is …