title: Achievement in relation to locus of control: identification of a new source of variance.
mesh_terms: D000124:Achievement; D000367:Age Factors; D002648:Child; D002657:Child Development; D003469:Culture; D005260:Female; D006801:Humans; D007389:Internal-External Control; D008297:Male; D010551:Personality; D011336:Probability; D012380:Role; D012649:Self Concept; D012737:Sex Factors; D012928:Social Desirability; D012951:Socialization; D011795:Surveys and Questionnaires