This article, written by one of the teachers in the Ypsilanti Perry Preschool Project (1962-1967), critically examines the prevailing narrative about the preschool project's relationship to the High/Scope Educational Foundation. It describes what the author and other teachers actually did, the principles that informed their practice, and…

Literature suggests using multimedia learning principles in the design of instructional material. However, these principles may not be sufficient for the design of learning objects for concept learning in mathematics. This paper reports on an experimental study that investigated the effects of an instructional approach, which includes two teaching…

Identifying effective instructional approaches that stimulate students' critical thinking (CT) has been the focus of a large body of empirical research. However, there is little agreement on the instructional principles and procedures that are theoretically sound and empirically valid to developing both domain-specific and domain-general CT…