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Abstract
The purpose of the current study was to investigate: (a) the effects of direct feedback during conversation training on generalization of treatment targets to conversational contexts, and (b) the effects of a combined treatment on generalization learning. A variation of an ABA withdrawal single-subject design was used with two children with severe phonological disorders, ages 4:10 and 5:4. Both children received 20 minutes of maximal opposition treatment and 20 minutes of conversation training in each session. The conversation training was divided into two types: one with direct feedback and the other with indirect feedback. Results indicated that conversation training with direct feedback had positive effects on treatment targets during treatment for both children, and on generalization of treatment targets to conversational contexts for one child. Moreover, both children generalized treated sounds across word positions, to untreated words, and within sound classes. One child also generalized across sound classes.