Body language and facial gesture provide sufficient visual information to support high-level social inferences from "thin slices" of behavior. Given short movies of nonverbal behavior, adults make reliable judgments in a large number of tasks. Here we find that the high precision of adults' nonverbal social perception depends on the slow…

Three experiments assessed the ability of children 2 to 5 years of age to infer, under very simple task conditions, what another person sees when viewing something from a position other than the children's own. Data indicates that some ability of this genre appears to exist by age 2. The data also suggests a distinction between an earlier and a…