Building students’ knowledge one click at a time

Clickers are a popular type of audience response system that gives instructors access to students’ thinking and reasoning in real time. Used correctly, they can turn even large classes into incubators for effective learning. But how should one teach using clickers? How many times per lecture should clickers be used? What kind of questions can be asked? Can students use cell phones or other mobile devices to vote instead? These are some of the key questions this review will answer, with a particular focus on practical tips and helpful resources for implementation