title: Category clustering in free recall and locus of control.
mesh_terms: D005260:Female; D006801:Humans; D007257:Information Theory; D007389:Internal-External Control; D008297:Male; D008568:Memory; D011336:Probability; D012054:Reinforcement, Psychology; D012649:Self Concept; D014706:Verbal Learning; D014796:Visual Perception