This paper examines the effectiveness of adding an online component to the general chemistry laboratory in which students view prelaboratory instructional materials through online videos prior to completing general chemistry laboratory activities. Using a quasi-experimental design, we compared the performance of 1089 general chemistry students who…

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…