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)

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)

Maternal behaviors within mother-infant games were examined to determine the amount, type, and functional value of maternal helping behaviors. A total of 17 mother-infant pairs were videotaped on monthly visits while playing five separate games. The study employed a skill-centered analysis to examine maternal scaffolding. (Author/RH)

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

The question-asking behavior of disadvantaged Mexican-American second-grade children was found readily modifiable using an adult model offering contingent praise. (Authors)