Convergence of stranger ratings of personality and intelligence with self-ratings, partner ratings, and measured intelligence

Several studies have shown above-chance agreement of self-reports on extraversion and conscientiousness with ratings by strangers, indicating that ratings by strangers might be quite accurate. Because self-reports are a less-than-ideal criterion to evaluate the accuracy of stranger ratings, however, the present study compared them also with ratings by acquaintances and with targets' performance on an intelligence test. Ratings of extraversion, conscientiousness, and intelligence by strangers having been exposed to a videotape of targets were significantly related to self-reports of these traits as well as to ratings by acquaintances. Moreover, ratings of intelligence by strangers were related to targets' measured intelligence, provided that judges had been exposed to a sound film of the targets