Many adult beliefs are based on the testimony provided by other people rather than on firsthand observation. Children also learn from other people's testimony. For example, they learn that mental processes depend on the brain, that the earth is spherical, and that hidden bodily organs constrain life and death. Such learning might indicate that…

Results suggest that the age composition of peer groups influences the performance of peer-modeled information, thus providing an indication that imitation of peers is a selective process influenced by the relative age of the model to the observer. Data also suggest that observational learning is a complex process involving considerable…

Examined the development of the ability of 5-, 9-, and 13-year-old children to produce elemental and complex facial movements intentionally. (Author/DB)

Modeling and direct instruction were used to train children to cooperate rather than compete. Children in treatment conditions showed significantly more cooperation than did control groups after immediate assessment. Seven weeks later age but not treatment differences were observed in generalization of training. (Author/DB)