Learning, development, and response to instruction often involve changes in the strategies that learners use to solve problems. In this chapter, our focus is on mathematical problem solving in both children and adults. We offer a selective review of research on three classes of factors that may influence processes of strategy change in…

Cook argued that the learning of a new language leads to a state of multi-competence, with the learner's mind changing in ways that go beyond the linguistic realm. The present study follows Dewaele's suggestion that multilingualism is linked to both cognitive and psychological changes. It explores one particular under-researched relationship,…

A brief discussion of three phases in research on instructional films--whether films can teach (approximately 1910-1950), how films teach (1940 through the late 1950s), and who learns from films (1960-1985)--introduces a review of the research literature on the third phase. The experimental studies reviewed focus on three concerns: (1) use of…