Discusses the nature of explanations and the nature of models and the relationship between them. Reviews the explanatory value of major models of change in science. Models the characteristics of everyday thinking and the effect of attempts to change that thinking on scientific thinking. (Author/CCM)

This paper summarizes a research project conducted to investigate the strategies developed by middle school students to solve a route-finding problem using Arc View GIS software. Three different types of route-finding strategies were identified. Some students were visual route-finders and used a highly visual strategy; others were logical route…

As part of a long-term research study to enhance science learning, this paper reports on an exploratory study aimed at identifying initial beliefs and practices of a group of teachers and students (Years 4-6) in Australia when the students engaged with multiple representations of the same science concepts. There is growing recognition in science…

This research applied evolving conceptions of learning to examine how to represent and evaluate students' and experts' cognitive structures. High school history students completed several tasks. Direct comparisons of the quality of student maps with expert maps showed that experts' concept maps could be used to score students' concept maps…