College instructors are increasingly relying on wireless clicker systems as instructional tools in the classroom. Instructors commonly use clicker systems for such classroom activities as taking attendance, giving quizzes, and taking opinion polls. However, these systems are uniquely well suited for the teaching of psychology and other courses that emphasize behavioral research methods. Specifically, instructors can use the clicker system to engage students in an in-class replication of a known empirical phenomenon. This article describes 2 classroom demonstrations that reveal the usefulness of wireless clicker systems for replicating empirical phenomena in behavioral research. (Contains 2 notes.)