Gaining from explaining: Learning improves from explaining to fictitious others on video, not from writing to them

Which beliefs it touches

• C15 Learning by teaching sets a limit on it

  Explaining on video to fictitious students beat restudy (d = 0.43, immediate and delayed tests pooled), but explaining in writing did not (d = 0.19, p = .709; delayed means 22.17 vs 21.53). Cited in open question 13.