Conversational speech of five children who stutter was recorded and then portions manipulated to modify interval duration and vowel duration. Results indicated that both interval and vowel durations moderately affected listeners' perception of stuttering. Generally, repetitions with short vowel and interval durations were judged as more…

This investigation compared changes in articulatory rate over a period of 2 years in subgroups of preschool children who stutter (either persistently or who recovered without intervention) and normally fluent children. Results indicated no significant differences among the three groups when articulation rate was measured in syllables per second,…

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…