Recent research has shown that from early in development, children selectively form new beliefs in response to information supplied by others. However, little is known about the development of selective revision of existing beliefs in response to socially conveyed information. Such selective social belief revision has been extensively studied by…

The study sought to investigate conceptual change process. It is specifically aimed to probe children's initial ideas and how or to what way those ideas alter in the long run. A total of 18 children volunteered and participated in the study. Individual interviews were conducted. The children were asked to define the concept of evaporation, explain…

The purpose of this research was to study primary science students' conceptual development as it related to their understanding of materials and their properties: in particular, to determine how and why some students changed their concepts while others did not. The participants were thirty-two Grade 5 (10-11 year old) students. An instructional…

Examines themes evident in children's and mother's definitions of illness to determine how views of illness develop. Subjects were 264 children (ages 6 to 12-11) and their mothers. Two issues were considered: (a) patterned similarity in illness definitions, and (b) developmental changes in illness concepts. (ED)

Research has established that students generally possess conceptions relevant to curricular topics before they begin to study them and that these preconceptions often persist despite instruction on scientific theories which contradict them. Discrepancies between students' post instruction conceptions and the scientific theories as taught often…

A longitudinal study followed Brian from grade five through grade seven to examine his representation and development of mathematical knowledge. Some observations over the four years were that Brian liked to figure things out, responded poorly to suggestions not fitting the representation he constructed, and changed attitudes from purposeful and…

When teachers possess detailed knowledge about children's thinking and problem solving, it can profoundly affect their knowledge of their students and their planning for instruction. Reported is a project designed to demonstrate the feasibility of redesigning courses for prospective teachers in mathematics and science by incorporating into the…