The vast majority of research involving active learning pedagogies uses passive lecture methods as a baseline. We propose to move beyond such comparisons to understand the mechanisms that make different active learning styles unique. Here. we use COPUS observations to record student and instructor activities in six known styles of active learning in physics. https://www.nacrack.com/sale-now-The-Simpsons-Krusty-Burger-Adult-T-Shirt-hot-value/