It is generally believed that students should use multiple representations in solving certain physics problems, and earlier work in PER has begun to outline how experts and novices differ in their use of multiple representations. In this study, we build on this foundation by interviewing expert and novice physicists as they solve two types of…

This case study explores the ways in which a beginning elementary classroom teacher gains a foothold in teaching science. The analysis includes episodes from the teacher's first three years of teaching while participating in an educational research project that investigated an inquiry-based approach to teacher professional development. The…