title: Transitive inferences by preoperational, retarded adolescents.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D003071:Cognition; D004193:Discrimination Learning; D004495:Education of Persons with Intellectual Disabilities; D005246:Feedback; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000145:classification; D007361:Intelligence Tests; D008297:Male; D008568:Memory; D011340:Problem Solving; D013028:Space Perception; D014796:Visual Perception