Half a minute: Predicting teacher evaluations from thin slices of nonverbal behavior and physical attractiveness.

The accuracy of strangers consensual judgments of personality based on thin slices of targets nonverbal behavior were examined in relation to an ecologically valid criterion variable. In the 1st study, consensual judgments of college teachers molar nonverbal behavior based on very brief (under 30 s) silent video clips significantly predicted global end-of-semester student evaluations of teachers. In the 2nd study, similar judgments predicted a principals ratings of high school teachers. In the 3rd study, ratings of even thinner slices (6-s and 15-s clips) were strongly related to the criterion variables. Ratings of specific micrononverbal behaviors and ratings of teachers physical attractiveness were not as strongly related to the criterion variable. These findings have important implications for the areas of personality judgment, impression formation, and nonverbal behavior. The ability to form impressions of others is a critical human skill. This remarkable capacity we possess to understand something of the character of another person, to form a conception of him as a human being... with particular characteristics forming a distinct individuality is a precondition of social life (Asch, 1946, p. 258). In the present article, we show that