Alexandra, It sounds like you do a fine job of integrating active learning activities into lectures by using the clicker and assessing comprehension as the students are receiving the information. Studies do show that students test better when lectures are broken up in the manner. The National Center for Biotechnology Information conducted one such study on learning, the results can be found by following his link: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2592041/ Wishing you continued success in the classroom. Theresa Schmitt