title: Internal-external control, test anxiety and academic achievement: additional data.
mesh_terms: D000124:Achievement; D001007:Anxiety; D004521:Educational Measurement; D005260:Female; D006801:Humans; D007389:Internal-External Control; D008297:Male; D011336:Probability; D011581:Psychological Tests; D012054:Reinforcement, Psychology; D012649:Self Concept