take away message: Active learning of any kind is more effective than traditional lecturing, regardless of class size, institution types, incoming SAT scores, etc (data from 45,000 students in 600 classes)
Social belonging exercise that increased the grades and persistence of underserved STEM students [Walton and Cohen - Science Advances 29 (Apr 2020); Science 18 (March 2011)]
example of such assignment here
Think-Pair-Share: conceptually challenging multiple choice questions + classroom feedback: Link1: Ed Prather slides from University of Arizona