A six-year-old nonvocal girl with autism who had acquired a variety of signs and imitative responses consistently failed to acquire a tact (labeling) repertoire. When procedures to transfer stimulus control from verbal to nonverbal stimuli were implemented, the subject quickly learned to tact all 18 target stimuli. (Author/DB)

The role of subject verbalization in the generalization of verbal-nonverbal correspondence was investigated in 12 kindergarten children who underwent either correspondence training (subject verbalization) or performing a behavior verbalized by the experimenter. Pupils who received correspondence training demonstrated greater generalization.…