Speech and Hearing Science Commons^™

Speed And Variability Of Voice Reaction Times Of Stuttering And Nonstuttering Children And Adults, Douglas Edward Cross

Doctoral Dissertations

The mean and intrasubject response variability of voice reaction time to auditory stimuli was investigated for five year old, nine year old and adult stutterers and nonstutterers. The subjects who participated in this study were twenty-seven stutterers and twenty-seven nonstutterers at each of the three age levels. All of the stutterers had been reported to have exhibited the onset of stuttering behavior by no later than five years of age.

Each of the subjects was presented with a total of fifty-five prerecorded 1000 Hz tones bilaterally through stereo earphones at 80dB SPL. The stimuli were divided into five equal sets …