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Proctor, Adele; Yairi, Ehud; Duff, Melissa C.; Zhang, Jie – Journal of Speech, Language, and Hearing Research, 2008
Purpose: In this study, the authors sought to determine the prevalence of stuttering in African American (AA) 2- to 5-year-olds as compared with same-age European Americans (EAs). Method: A total of 3,164 children participated: 2,223 AAs and 941 EAs. Data were collected using a 3-pronged approach that included investigators' individual…
Descriptors: Racial Differences, Age Differences, Gender Differences, Stuttering
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Yairi, Ehud; Clifton, Noel F., Jr. – Journal of Speech and Hearing Research, 1972
Descriptors: Age Differences, Articulation (Speech), Exceptional Child Research, Incidence
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Yairi, Ehud; Ambrose, Nicoline – Journal of Speech and Hearing Research, 1992
Interviews with parents of 87 preschool children within a year of a stuttering diagnosis found that onset tended to occur earlier than was previously thought and was sudden and/or severe in many cases; about twice as many boys as girls stuttered; and there was a positive relationship between severe stuttering and sudden onset. (DB)
Descriptors: Age, Age Differences, Clinical Diagnosis, Handicap Identification
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Yairi, Ehud; Ambrose, Nicoline Grinager – Journal of Speech, Language, and Hearing Research, 1999
A four-year study of 84 preschool children (25 to 59 months) who stutter found a continuous diminution in the frequency and severity of stuttering over time as many children progressed toward recovery. Findings indicate a 74% overall recovery rate for stuttering and a 26% persistency rate. (CR)
Descriptors: Age Differences, Incidence, Longitudinal Studies, Performance Factors