How do I study multiple study sets or playlists simultaneously? Dr. Yermie Cohen March 22, 2017 20:34 Select as many study sets or playlists as you'd like work on, click Group Actions and select Quiz now! Related articles How do I favorite / unfavorite study sets and playlists? What shows up in playlists? What are mastery scores and what do they mean? What shows up in Power-Ups? What are my daily vitals? Comments 0 comments Article is closed for comments.