Variability of Stuttering: Behavior and Impact.

Area of Science:

• Speech and Language Pathology
• Psychology
• Human Communication Studies

Background:

• Stuttering (stammering) behaviors are known to fluctuate across different situations and over time.
• Preliminary research suggests this variability negatively impacts individuals who stutter (PWS).
• Further investigation is needed to understand the effects and implications of stuttering variability.

Purpose of the Study:

• To explore how stuttering variability affects PWS compared to other aspects of the condition.
• To identify which facets of the stuttering experience exhibit the most variability.
• To inform clinical and research practices regarding stuttering variability.

Main Methods:

• A mixed-methods study involving 204 adults who stutter.
• Quantitative and qualitative analyses were employed.
• Participants explored the impact of variability and its presence across different stuttering aspects.

Main Results:

• Variability is a frequently encountered and highly frustrating aspect of stuttering for many PWS.
• Variability manifests across all dimensions of stuttering: observable behaviors, internal experiences, and cognitive-affective responses.
• A hierarchy of variability was observed, with external factors (frequency, duration) being most variable, followed by internal factors (covert behaviors, tension), and then cognitive-affective experiences.

Conclusions:

• Stuttering variability is a significant and burdensome component of the lived experience for adults who stutter.
• The findings emphasize the need to incorporate variability into the assessment and treatment of stuttering.
• Understanding stuttering variability is crucial for advancing research and clinical interventions for PWS.