This commentary on EC 232 373 and EC 232 374 suggests that a theory that depends on categorizing events as either stuttering or nonstuttering must fail. It evaluates the merit of the voluntary/involuntary distinction in loss of speech production control, defends research on the nature of stuttering, and proposes additional research and theory.…

The commentary to EC 232 373 and EC 232 374 discusses whether stuttering is really what the listener perceives, the stutterer senses, or the dictionary states. It concludes that stuttering can probably be defined in appropriate contexts as any or all of these three things. (JDD)

Listeners compared 10 individuals' suitability of speech at three stages of treatment for stuttering (before, immediately after, and six months after) with 10 non-stutterers. Ten speaking situations with different demands were rated using a newly developed instrument. Results indicated the instrument can be scored reliably and the factor…

This commentary to EC 232 373 and EC 232 374 challenges the use of a speaker-based definition of stuttering and argues that use of the definition may only relocate the judgment reliability problem and raise as many validity problems as a listener-based definition of stuttering does. (JDD)

Eighteen adult listeners assessed whether stuttering samples were authentic or simulated. Results support the concepts that the production of stuttered and nonstuttered speech disruptions are experienced as being qualitatively different; only stutterers can validly recognize the difference, and only when it occurs; stuttering is a…

Unsophisticated raters judged speech naturalness and stuttering severity in audio-only and audiovisual presentations of speech samples. For stutterer samples, raters judged the audiovisual presentation more unnatural than the audio presentation, but for the nonstutterer samples, there was no difference. Stuttering severity ratings did not differ…

Comparison of disfluent conversational utterances of 14 children who stutter and 14 children (mean age of both groups 52 months) who do not stutter found that for both groups, disfluency clusters were typically produced at clause onset and within the most complex linguistic contexts and that they reflect the effects of producing multiple syntactic…

A response is presented to commentaries (EC 232 375-377) on two papers (EC 232 373 and EC 232 374), focusing on research methodology on stuttering, the impact of improving intrajudge and interjudge agreement, the importance of studying stuttering as a private experience rather than an acoustical event, and speakers' experience of loss of control…

This study of 20 mothers and their fluent children (ages 3-5) found no significant differences between the effects of instructions to slow maternal speech rate and instructions to slow and simplify maternal speech. Children's speech rate and language complexity did not parallel maternal adjustments, which is problematic for parental involvement in…