NEED FOR ACHIEVEMENT AND SCHEDULES OF VARIABLE REINFORCEMENT.
D000124:Achievement; D001288:Attention; D004193:Discrimination Learning; D006801:Humans; D009042:Motivation; D012054:Reinforcement, Psychology; D013803:Thematic Apperception Test
ATTENTION; DISCRIMINATION LEARNING; MOTIVATION; REINFORCEMENT (PSYCHOLOGY); THEMATIC APPERCEPTION TEST