This document describes 15 techniques for group learning processes: action lists, brainstorming, concept walk, fast-write, forced-choice stickers, gallery walk, helping trios, jigsaw, K-W-L, museum tour, questions with post-it notes, think-pair-share, three-step interview, three-two-one, and TILT. Each technique is defined in 1-3 sentences and the goal and process are outlined in 1-3 bullet points.