Contribution of stereotyped and individualized information to predictive accuracy.

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Abstract
The study investigated the effect of 7 types of information upon predictive accuracy. 4 of them were simple steretoypes, 3 consisted of more individualized input data. Clinicians and nursing students made predictions about 4 different Ss on selected MMPI items and bipolar traits. Predictive accuracy was found to depend little on the type and amount of information provided, stereotypes doing as well as or better than most individualized inputs. Global response sets of "Social Desirability," "Normality," and "Assumed Similarity" appeared to account for most of predictive accuracy. The judges would have significantly increased their over-all predictive accuracy, even for manifestly abnormal Ss, had they depended more heavily upon the mentioned response tendencies instead of relying on their discriminatory powers. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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