Purpose: In interview and survey studies, people who stutter report the belief that stuttering has had a negative impact on their own education and employment. This population study sought objective evidence of such disadvantage for people who stutter as a group, compared with people who do not stutter. Method: A secondary analysis of a British…

The present study explored the prevalence of self-reported stuttering in a Finnish twin population and examined the extent to which the variance in liability to stuttering was attributable to genetic and environmental effects. We analyzed data of 1728 Finnish twins, born between 1961 and 1989. The participants were asked to complete a…

Purpose: The purpose of this study was to explore whether parents of CWS reported the presence of ADHD symptoms that would warrant a referral to a psychologist to rule out the disorder. This study also aimed to describe the characteristics of the sample in terms of gender, family history of stuttering, presence of neurological impairment,…

Psychometric properties of the Peer Attitudes Toward Children who Stutter (PATCS) scale (Langevin, M., & Hagler, P. (2004). Development of a scale to measure peer attitudes toward children who stutter. In A.K. Bothe (Ed.), Evidence-based treatment of stuttering: empirical bases and clinical applications (pp. 139-171). Mahwah, NJ: Lawrence Erlbaum…

An Arabic version of the Public Opinion Survey of Human Attributes Inventory [POSHA-E; St Louis, K. O. (2005), a global instrument to measure public attitudes about stuttering. ("The ASHA Leader," 22, 2-13)] was administered to 424 Arab parents of preschool and school age children in 18 government schools across all six governorates in Kuwait. The…

The present study investigated the language familiarity hypothesis formulated by Mackay [(1970). How does language familiarity influence stuttering under delayed auditory feedback? "Perceptual and Motor Skills", 30, 655-669] that bilinguals speak faster and stutter less under delayed auditory feedback (DAF) when speaking their more familiar…

The purpose of this study was to assess the effect of phonological neighborhood density on the speech reaction time (SRT) and errors of children who do and do not stutter during a picture-naming task. Participants were nine 3-5-year-old children who stutter (CWS) matched in age and gender to nine children who do not stutter (CWNS). Initial…

Much research has suggested that those who stutter are likely to be anxious. However, to date, little research on this topic has addressed the role of expectancies of harm in anxiety, which is a central construct of anxiety in modern clinical psychology. There are good reasons to believe that the anxiety of those who stutter is related to…