The study investigated the reaction times in the fluent speech utterances of 20 adult stutterers and 20 nonstutterers. Results indicated that reaction times for longer utterances and for utterances requiring minimal preparation were longer for stutterers than for nonstutterers, suggesting stutterers may have difficulty in motor programing of…

This study compared duration characteristics of single-syllable whole-word repetitions and part-word repetitions in the speech of 20 preschool children who stuttered, recorded near the onset of their stuttering, to those of 20 nonstuttering children. The duration of silent intervals between spoken segments within repetitions was found to be…

This study of 14 school-age children who stuttered found that the average duration of stuttering was approximately three-quarters of a second and was not correlated with age, length of post-onset interval, or frequency of speech disfluency. Stuttering duration may be related to amount of sound prolongations as well as articulatory rate during…

Two experiments investigating interval-by-interval interjudge and intrajudge agreement for stuttered and nonstuttered speech intervals found that training of judges could improve reliability levels; judges with relatively high intrajudge agreement also showed relatively higher interjudge agreement; and interval-by-interval interjudge agreement was…

The study examined whether stutterers (27 children and 19 adults) subvocalize more slowly than nonstutterers and need more time for overt fluent speech production. Results indicated that a strictly motoric explanation of stuttering is inadequate as stutterers and nonstutterers differ in temporal parameters not only during speech execution, but…

This replication study of time-interval judgments of stuttering found higher interjudge agreement than previously reported for event-based analyses of stuttering judgments or time-interval analyses of event judgments. Judges with high intrajudge agreement levels also showed higher interjudge agreement levels than did judges with low intrajudge…