title: SUBJECT, EXPERIMENTER, AND SITUATIONAL VARIABLES IN RESEARCH ON ANXIETY.
mesh_terms: D000124:Achievement; D001007:Anxiety; D001008:Anxiety Disorders; D006801:Humans; D009042:Motivation; D011581:Psychological Tests; D011589:Psychology, Experimental; D012723:Sex; D014706:Verbal Learning
keywords: ACHIEVEMENT; ANXIETY; MOTIVATION; PSYCHOLOGICAL TESTS; PSYCHOLOGY, EXPERIMENTAL; SEX; VERBAL LEARNING