We used surveys and classroom observations to examine student reactions to two-stage exams, where students first do the exam individually and then redo it collaboratively. Our results show why both students and instructors appreciate this examination format: Two-stage collaborative examinations are relatively easy to implement, have a high…

The authors explored whether a new pedagogy using personal response systems (clickers) along with case study teaching improved students' perceptions of their understanding of science in large introductory biology classrooms. Twelve faculty from nine institutions and 1,457 students across the United States and Canada participated in this study.…