title: EFFECTS OF TRIAL 1 REWARD CONTINGENCY, INTERTRIAL INTERVAL, AND EXPERIENCE ON INTRAPROBLEM DISCRIMINATION PERFORMANCE OF MONKEYS.
mesh_terms: D000818:Animals; D004193:Discrimination Learning; D000882:Haplorhini; D009042:Motivation; D009424:Nervous System Physiological Phenomena; D012106:Research; D012201:Reward
keywords: DISCRIMINATION LEARNING; EXPERIMENTAL LAB STUDY; MONKEYS; MOTIVATION