Theories of learning have long emphasized the essential role of social factors in the development of early reasoning abilities. More recently, it has been proposed that the presentation of conflicting perspectives may facilitate young children's understanding of knowledge claims as potentially subjective--one of many possible representations of…

Findings from observations of 64 8- and 9-year olds show that the use of exploratory talk, talking in which joint reasoning is made explicit, can improve group reasoning and that this exploratory talk can be taught and can transfer between educational contexts. Teaching exploratory talk also improved results on a nonverbal reasoning test. (SLD)