THE STUDY INVESTIGATED SOME OF THE RELATIONSHIPS BETWEEN A CHILD'S VERBAL BEHAVIOR AND ENVIRONMENTAL EVENTS NECESSARY IN ACQUIRING LANGUAGE. TWO TRAINABLE RETARDATES (FROM A GROUP OF SIX, AGED 3-6 TO 5) WITH A FUNCTIONAL VOCABULARY OF NO MORE THAN TWO OR THREE WORDS WERE SEEN INDIVIDUALLY IN 20- TO 30-MINUTE SESSIONS TWICE A WEEK DURING A 4-MONTH…

Contingent social reinforcement was applied differentially to aid the behavioral and educational development of a 9-year-old severely retarded nonverbal female with quadriplegic spastic cerebral palsy. Four behaviors prerequisite and collateral to beginning language development were defined and measured: eye contact, head control, initiative…

The study sought to identify effective procedures for facilitating initial imitative vocal behavior in mentally retarded children, thus accelerating the initial stages of language acquisition. Three groups of Down syndrome children ages 6 months to 4 years (N=15) served as subjects in an examination of the relative effectiveness of three…

Seven 18- to 32-month-old children received from seven to 26 experimental sessions each between October 1966 and April 1967. A session lasted from 5 to 15 minutes and concerned control over the verbal responses of the children with token-operated reinforcement devices. In order to make the results of the experimental sessions meaningful, an…

Focusing on the education of the autistic child as an awakening process, the book discusses the role of meaningful human communication and reports a research program which applied a therapeutic educational technique. The development of language in children, the diagnosis of an autistic child, autistic behavior and sensory and emotional…