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Peer reviewedPoulos, Marie G.; Webster, William G. – Journal of Speech and Hearing Research, 1991
Of 169 adult and adolescent stutterers studied, 112 reported family history of stuttering. Only 3 of the 112 reported birth or early childhood factors that might precipitate stuttering, as opposed to 21 of those without family history of stuttering. By considering these two conditions as separate factors in behavior, stutterers may be divided into…
Descriptors: Adolescents, Adults, Classification, Cluster Grouping
