Speech Rates and Turn-Taking Behaviors of Children Who Stutter and Their Fathers

3k2{at}mace.cc.purdue.edu

Paralinguistic behaviors, including speech rates and turn-taking behaviors, of boys who stutter and boys who do not stutter and their fathers were investigated. Subjects were 11 boys who stutter (mean age=5:1) and their fathers and 11 age-matched (±3 months) nonstuttering boys (mean age=5:1) and their fathers. Spontaneous conversational speech was obtained from each father and son during approximately 45 minutes of videotaped free play in a clinic setting. Measures of overall, articulatory, and dyadic speaking rates, interruptions, response time latencies, and disfluency characteristics were derived using the videotapes and computer-assisted analyses of the acoustic signal from each conversational sample. Two-factor repeated measures ANOVAs were performed on each of the paralinguistic variables for the 11 sets of age-matched father-son pairs. Fathers produced faster speaking rates, higher frequencies of interruptions and shorter response time latencies than sons. No significant differences were found in comparisons of the two groups of fathers or of the two groups of children for any of the paralinguistic behaviors. A significant positive correlation was found between the SSI scores of children who stutter and the dyadic speaking rates of these children and their fathers. Results partially extend those of Kelly and Conture (1992) for mothers and children, but some potentially important differences emerge between fathers' and mothers' (para)linguistic behaviors in interaction with their children.

KEY WORDS: fathers, speech rates, Interrupting, RTL, children who stutter

Submitted on February 28, 1994
Accepted on June 27, 1994

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