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Exploring the Nature, Assessment and Treatment of Stuttering
RecruitingHealthy volunteers welcome
The Blank Center CARE Model™: An Anti-Ableist Approach to Treatment
Who can join
Ages 2 to 85 · All sexes · Healthy volunteers welcome
Full eligibility criteria
Inclusion Criteria: A participant will be considered a child who stutters (ages 2-17 years) if * their parent/caregiver reports concern that their child is a person who stutters, * they exhibit three of more stuttering-like disfluencies (e.g., sound/syllable repetitions, (in)audible sound prolongations, whole-word repetitions) per 300-word speech sample, or * they present with an overall score of 11 or higher on the Stuttering Severity Instrument - 4th Edition (SSI-4). A participant will be considered an adult who stutters (18+ years) if * they report they are a person who stutters, * they have received a formal diagnosis of stuttering from a certified speech-language pathologist, * they exhibit three of more stuttering-like disfluencies (e.g., sound/syllable repetitions, (in)audible sound prolongations, whole-word repetitions) per 300-word speech sample, or * they present with an overall score of 11 or higher on the Stuttering Severity Instrument - 4th Edition (SSI-4). Exclusion Criteria: • There are no exclusion criteria for persons who stutter.
About the study
The purposes of this study are to 1) investigate potential speech, language, and psychosocial contributions to the experience of stuttering in monolingual and multilingual speakers, and to 2) evaluate interdisciplinary, telehealth, and speech-language pathology treatment methods and clinical training specific to fluency disorders.
What is being tested
- The Blank Center CARE Model(TM) for Individuals who Stutter (behavioral)
Sponsor: University of Texas at Austin · Participants: 3,000 · Started: May 22, 2015
Contact the study team
- Courtney T Byrd, PhD · Phone: 512 475 6174
- Geoffrey A Coalson, PhD · Phone: 512 232 2999
Official record on ClinicalTrials.gov — NCT05908123
Locations in the U.S.
| Texas | Arthur M. Blank Center for Stuttering Education and Research, Austin |
Conditions
From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.