1. The document discusses the use of student response systems, also known as clickers, in K-12 classrooms. It argues that clickers can help address common classroom challenges like keeping students engaged, assessing understanding, and motivating students. 2. Research presented in the document found that clickers help increase student participation, satisfaction, and focus. Studies show clickers improve learning attitudes and help identify misconceptions. They also found clickers motivate students and improve test scores. 3. While clickers have upfront costs, the document claims they save teaching time otherwise spent on activities like taking tests in computer labs. Downsides include technical difficulties and interrupting lecture flow, but professional development can address these issues