This study examines the effectiveness of a classroom response system (CRS) and architecture students' perceptions of real-time feedback. CRS is designed to increase active engagement of students by their responses to a question or prompt via wireless keypads. Feedback is immediately portrayed on a classroom projector for discussion. The authors discuss the positive impact of CRS on student engagement and performance. Final exam scores and results from a survey and focus group input are examined. Findings indicate significant differences in final exam course grades between students using a CRS and those who did not. In summary, students reported clickers to be fun, they increased class participation and involvement, were effective to students' learning experience and help keep them feeling mentally engaged, academically responsible and accountable. (Contains 2 tables and 3 figures.)