Tested predictions about age-related differences in the tutoring abilities and behaviors of children at three, five, and seven years of age. Found significant changes in tutoring strategies, verbal instruction, and contingency of teaching in the three age groups. (DR)

Describes a series of preliminary studies suggesting that the benefits of collaboration may be not only the result of peer interaction but also due to peer presence. Suggests peer presence must be considered in all such studies, and that better integration of social and affective approaches with cognitive approaches may be necessary to understand…

Suggests that adequate conceptions of children's measurement processes should take into account social and cognitive learning. Contends that progress in children's performance in measurement depends on learning in both areas. Reports significant findings from two studies designed to test the effects of intersubjectivity, or the social dimension,…

Presents ongoing research for constructing formal models of learning in rich problem-solving domains. The underlying framework for the research is aimed at integrating models of active, goal-oriented learning processes with theories of problem-solving and cognitive skill development. Indicates that the particular self-explanation and…