Offers perspectives on how conceptual changes actually take place in students. Proposes that elements of Kuhn's concept of scientific paradigms and Wittgenstein's concept of the "language-game" be considered in an analysis of conceptual change. Explains how components of these models relate to science learning. (ML)

Reviews literature about play to examine the use of language to facilitate play, play with language as an object, and egocentric speech in play situations. Finds a definite link between language and play. (Author/AS)

The idea that bilingualism causes cognitive damage to children is no longer held by researchers, but it lingers in popular belief. It is based on the assumption that language is central to cognitive development, which is not held by all theorists. Another theoretical issue is whether the mind is a limited-capacity container or can accommodate two…

Reports on a study of cultural images of people in 5 nations by 24 10- to 13-year-old children of low socioeconomic backgrounds. Finds that 10-year olds focused on the thoughts and feelings of people whereas the 13-year olds included more knowledge abstracted to the country level. (CFR)

This technical report presents concrete ways of meeting recommended practice by providing an overview of principles and practices in the area of second language acquisition. It discusses some of the major theories in the area of second language acquisition, as well as the developmental process of first and second language acquisition in the…