Classroom Response Systems (a.k.a. "clickers") are being used on many college campuses and have been heralded for their ability to:
Found that students participated more consistently when clickers were worth at least 10% of their grade.
Found that clickers had an empowering, positive impact on reluctant student participators.
Found that students using clickers performed significantly better on exams, particularly on exam questions that were dissimilar to in-class questions.
Found clicker and response card methods to have better student response rates than hand-raising. Found clicker-using students to answer questions more honestly than any other group.