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…

Two children, aged six and nine, with moderate mental retardation were taught syntactic rules for combining known and unknown words into two-word utterances. The use of receptive teaching with imitation of the target phrase facilitated both generalized receptive learning and transfer to production in both subjects. (Author/JDD)