Purpose: Two new treatments, 1 based on sentence to picture matching (SPM) and the other on object manipulation (OM), that train participants on the thematic roles of sentences using pictures or by manipulating objects were piloted. Method: Using a single-subject multiple-baseline design, sentence comprehension was trained on the affected sentence…

Language and social interactions were examined between a father and mother and their twin children, one with Down syndrome and one developing typically. Systematic observations were made of videotaped segments and coded in real time using a computerized behavior coding program. Codes for the parents' interactions consisted of total vocalizations,…