# Visible Learning Strategy Starter Source Use this as a starter source for the workshop. Verify effect sizes against your current source before publication or formal use. ## Threshold Prioritize strategies at **d ≥ 0.40**. ## Surface Learning - Jigsaw Method — d = 0.92 - Direct Instruction — d = 0.56 - Retrieval practice / effects of testing — d = 0.63 - Flipped Classroom — d = 0.58 ## Deep Learning - Cognitive Task Analysis — d = 1.09 - Argumentation — d = 0.86 - Outlining and organizing — d = 0.86 - Evaluation and reflection — d = 0.75 ## Transfer Learning - Collective Teacher Efficacy — d = 1.01 - Mathematics Problem Solving — d = 0.88 - Blended Learning — d = 0.85 - Transfer Strategies — d = 0.75 ## Caution AI may invent effect sizes, titles, or citations. Require the AI to use only attached sources. Cut unverified effect-size claims.