9 Categories of Best Practices in Instruction ~ Marzano, Pickering, Pollock
(In order of effect size)

  1. Identifying similarities and differences
  2. Summarizing and note taking
  3. Reinforcing effort and providing recognition
  4. Homework and practice
  5. Nonlinguistic representations
  6. Cooperative learning
  7. Setting objectives and providing feedback
  8. Generating and testing hypotheses
  9. Questions, cues, and advance organizers