title: Functional language for verbally deficient children: an experimental program.
mesh_terms: D002648:Child; D003216:Conditioning, Operant; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D007804:Language Development; D007806:Language Disorders / Q000628:therapy*; D008960:Models, Psychological; D012054:Reinforcement, Psychology; D012107:Research Design