test (3) histoire (3) History (3) Series (3) Performance (3) Learning (3) History (3) Experiments (3) Errors (3) Knowledge and learning (3) Behavior (3) Number (3) Performance (3) Experiments (3) temps (durée) (2) association (2) expérience scientifique (2) Time pressure (2) Time (2) Social groups (2) Human beings (2) Days (2) Addition (2) puits (1) restauration (1) recherche (1) effet (1) Correspondence (1) Correspondence (1) Research (1)