title: Performance of retarded adolescents and nonretarded children on one- and two-bit logical problems.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002657:Child Development; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000150:complications*; D007360:Intelligence; D008128:Logic; D008297:Male; D010364:Pattern Recognition, Visual; D011340:Problem Solving