The effect of positive and negative reaction tendencies on receptive language development in mentally retarded children.
D000293:Adolescent; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D005239:Fear; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007398:Interpersonal Relations; D007804:Language Development; D008297:Male; D009042:Motivation; D012055:Reinforcement Schedule; D012054:Reinforcement, Psychology; D012056:Reinforcement, Social; D012057:Reinforcement, Verbal; D012919:Social Behavior; D013647:Task Performance and Analysis; D014705:Verbal Behavior