Children who observed a very generous adult model sharing, later shared more than those who observed a very stingy model. The effects of vicarious reinforcement on the amount shared, delivered by either the experimenter or the model alone, were also demonstrated. (Authors)

This paper is based on a PhD dissertation submitted to the Department of Psychology, University of California, Los Angeles. Research supported in part by the U.S. Public Health Service.

Five studies investigated the development of imitation in children 1-3 years old. Results indicated that children as young as 12 months possess the cognitive capability of translating a perception of an action into their own behavior, but imitation varies as actions requiring direct social commerce with the examiner are imitated less frequently…

This study investigated the effect of singing within the elementary school music classroom on (1) students' preference for one of two performances of the same song and (2) students' ideas of "correct" performance. Seventy-five third and fourth graders were concurrently involved in separate experimental groups. One group was taught to sing…