Four developmentally delayed preschoolers were taught action-object responses in receptive and expressive language modalities, using matrix-training procedures. Acquisition of a word combination rule was facilitated by the use of familiar lexical items, whereas subsequent acquisition of new lexical knowledge was enhanced by couching training in a…

A study evaluated the effectiveness of video instruction in teaching the meanings and uses of idioms to 20 deaf adolescents. Students improved their knowledge and use of idioms more when exposed to the video/discussion approach than to the lecture/discussion approach. (DB)

Progressive time delay is presented as a nonintrusive method of teaching receptive vocabulary to a 5-year-old girl with severe mental retardation. The girl was trained in pointing to photographs of various unfamiliar objects when the object was named by the teacher. Results indicate that the presentation of a time delay procedure resulted in a…

An alternating treatments design was used to evaluate and compare the instructional effectiveness of six treatment packages in teaching receptive picture vocabulary to 12 mildly handicapped children (ages 3-6 years). Independent variables in the treatment packages included: least-to-most prompting, correction, group instruction, and individual…

Thirty-five students (age 5-21) with mental retardation completed a 10-lesson curriculum on verbal and signed vocabulary acquisition. Therapist only and therapist plus video methods resulted in higher spoken and manual sign production of targeted items compared to the video only method. Receptive vocabulary was not improved. (Author/JDD)

This study evaluated ease of learning 5 visual symbol sets (photopictorial, rebus, Blissymbolics, orthography, and Premack-type tokens) with 4 autistic students (ages 7-13). A second article describes the development of instructional procedures for the students, noting the contribution of behavioral, cognitive developmental, and information…