A major purpose of this experiment was to assess the impact on children's imitative altruism of a model's affect expressions which were both contiguous to the critical act, and which explicated the relationship between the model's affect and his behavior. (Authors)

Experiment studied the effectiveness of social reinforcement by a model who demonstrated varying degrees of commitment to the norm of giving or social responsibility. (Authors)

An investigation of immediate and delayed vicarious reinforcements upon children's imitative self-sacrificing behavior. (Author/MB)

Ninety-six second and third grade children were exposed to one of six types of videotaped models. Children witnessed an adult female practice either charitable or selfish behavior. One-third of the subjects in each group heard the model exhort either charity or greed or verbalize normatively neutral material. Following this exposure, half the…