This letter critiques a research report (Ambrose and Yairi, 1999) on diagnosis of stuttering in young children, especially the methodological issues concerned with subject selection criteria that excluded borderline cases and the use of a weighting procedure to eliminate group overlap. Also noted is the failure to distinguish between stuttering…

Speech language pathologists providing early intervention services for stuttering are urged to evaluate conceptual and practical aspects of various intervention procedures. After a review of three treatment methods (environment manipulation, prolonged speech, and response-contingent stimulation), the article concludes that response-contingent…