Children's verbal abstracting: effects of enriched input, age, and IQ.
D000367:Age Factors; D002648:Child; D003210:Concept Formation; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000145:classification; D007361:Intelligence Tests; D007804:Language Development; D008297:Male; D011214:Practice, Psychological; D012054:Reinforcement, Psychology; D012737:Sex Factors; D014705:Verbal Behavior