Piagetian operations and field independence as factors in children's problem-solving performance.
D000293:Adolescent; D002648:Child; D002657:Child Development; D003071:Cognition; D005260:Female; D005364:Field Dependence-Independence; D006801:Humans; D008297:Male; D010551:Personality; D011336:Probability; D011340:Problem Solving; D011581:Psychological Tests; D011582:Psychological Theory; D012737:Sex Factors