Students in 4 Canadian high school physics classes completed instructional sequences in two key physics topics related to motion--Straight Line Motion and Newton's First Law. Different sequences of laboratory investigation, teacher explanation (lecture) and the use of computer-based scientific visualizations (animations and simulations) were…

This paper reports the findings of a study of student attitudes and student improvement in conceptual understanding using conceptests with an electronic response system in lecture courses. Students and instructors valued the feedback and interaction that the response system afforded. For a majority of the chemistry topics studied, student…