Relational thinking plays a central role in human cognition. However, it is not known how children and adults acquire relational concepts and come to represent them in a form that is useful for the purposes of relational thinking (i.e., as structures that can be dynamically bound to arguments). The authors present a theory of how a psychologically…

This paper describes a computer model that simulates the way children develop the reasoning skills of transitive inference and the construction of ordered sets. The computer model begins from general operations, such as setting and removing goals, storing and retrieving information, comparing elements to find matches, reading premises, and giving…

A collection of 17 biology texts and computer software produced at Beloit College (Wisconsin) by an interdisciplinary group let students conduct simulated scientific experiments that would be impossible in a laboratory and complete complex statistical analyses quickly. The programs focus on three stages of scientific research: problem posing,…

This article identifies three uses of educational technology and evaluates their potential to change curricula and pedagogic strategies. The article is in four parts, with the first outlining a temporal model of change and discussing educators' expectations of continuities and discontinuities in practice. In order to distinguish minor…

Responds to a recent critical report on computers in childhood. Highlights include computers, children, and research; social and emotional development; types of software; motivation; social and cognitive interactions; cognitive development; creativity; language and literacy; writing and word processing; mathematics and reasoning; and science and…