In this study 34 spontaneous analogies produced by 16 college freshmen while solving qualitative physics problems are analyzed. A number of the analogies were invalid in the sense that they led to an incorrect answer from the physicist's point of view. However, many were valid, and a few were powerful in the sense that they seemed not only to help…

Examines the problem-solving strategies of experts and novices. Summarizes the overall performance of four experts and eight novices. Examines several protocols in depth in order to show how subjects introduced new terms and relationships during problem solving sessions. Compares the strategies of expert and novice problem solvers. (CW)