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)

Results indicate that there is no simple relationship between type of observer present and children's aggressive responding following exposure to an aggressive model. (Authors)

The theory of social comparison postulates that the tendency to compare one's performance to others' will decrease as a function of the discrepancy between the quality of one's own performance and that of the comparison person. (Author/MB)

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)

Live behavioral and televised behavioral models were the most effective, and live verbal models were the least effective. The effects of the deviant models were more stable over time than the effects of the conforming models. (Authors)

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

Relevance of cognitive and developmental variables to observational learning and imitation is also discussed. (Authors/MB)

Results indicated that girls' rule violations were affected by the model's skill level, and by interaction of the model's verbal and behavioral expressions relevant to those rules. (Authors)