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Journal of Communication…

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Amir, Ofer	1
Morris, Richard J.	1
Subramanian, Anu	1
Yairi, Ehud	1

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Second Formant Transitions in Fluent Speech of Persistent and Recovered Preschool Children Who Stutter.

Peer reviewed

Subramanian, Anu; Yairi, Ehud; Amir, Ofer – Journal of Communication Disorders, 2003

A study investigated frequency change and duration of the second formant (F2) transition in speech samples recorded close to stuttering onset in 10 preschoolers who stutter, 10 who recovered from stuttering, and 10 controls. Near stuttering onset, children whose stuttering persisted demonstrated significantly smaller frequency change than the…

Descriptors: Etiology, Individual Characteristics, Language Patterns, Predictor Variables

Speaking Fundamental Frequency Characteristics of 8- through 10-Year-Old White- and African-American Boys.

Peer reviewed

Morris, Richard J. – Journal of Communication Disorders, 1997

A study of 45 African American boys and 45 White American boys (ages 8-10) investigated differences in typical speaking fundamental frequencies (SFF) and standard deviations of the SFF. Results found no significant differences for modal SFF but did find that 9- and 10-year-old African American boys exhibited greater variability in pitch sigma.…

Descriptors: Black Students, Elementary Education, Language Patterns, Language Rhythm