This letter to the editor comments on a 1998 article by J. S. Yaruss which proposed that classification of stuttering be adopted to foster improvement in basic understanding. The article is critiqued as failing to recognize the two major components of a stuttering event and for the author's definitions of impairment and disability as applied to…

This rebuttal of a response to the author's original article on improved classification of stuttering in the context of disability, impairment, and handicap, stresses that the model originally proposed carefully distinguishes the two major aspects of stuttering and offers definitions of impairment, disability, and handicap consistent with the…