Twenty-five preschool children with specific language impairment and 25 controls were evaluated on generalization of trained bound morphemes to untrained vocabulary stems, in 2 training conditions: explicit, trainer verbalization of the affixation "rule" and an "implicit rule" condition. Findings indicated that explicit presentation of…

This study compared active student response (ASR) error correction and no-response (NR) error correction while teaching science terms to five elementary students. When a student erred, the teacher modeled the definition and the student either repeated it (ASR) or not (NR). ASR error correction was superior on each of seven dependent variables.…

This single-subject study compared the effectiveness of two intervention approaches, direct instruction and activity-based intervention, on acquisition and generalization of object names by six young children who were at risk or had developmental delays. Acquisition of object names was enhanced by use of highly structured didactic approaches to…

Four students (ages seven to nine) with moderate mental retardation were successfully taught to name photographs of foods using a progressive time delay procedure. Presentation of the supermarket grocery department as part of the discriminative stimulus was effective in increasing the percentage of correct responding. Some generalization occurred…

Five children (27 to 47 months old) with mild to borderline levels of mental retardation were given a milieu language intervention program of 3 or 4 small group training sessions weekly. Results indicated the training had a clear facilitative effect on the acquisition and generalized use of common nouns and verbs by four of the subjects.…