Journal of communication disorders · 2022
Covert and overt stuttering: Concepts and comparative findings.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Sønsterud Hilda, Howells Kirsten, Ward David
Аннотация
PURPOSE: One way of conceptualizing stuttering is on a continuum from primarily covert to primarily overt. Assertions have been made as to how those with covert stuttering might be impacted differently to those with overt stuttering, but findings from well-controlled studies remain scarce. The principal aim of the present study was to compare the impact of stuttering and emotional distress related to two subgroups of persons who stutter: people with primarily overt stuttering and people with primarily covert stuttering. In exploring this, we also offer some preliminary thoughts on challenges with the terminology surrounding the concepts of 'overtness' and 'covertness'.
METHODS: Twenty-one adults already enrolled in a multiple, single-case treatment study (Sønsterud et al., 2019, 2020) took part in the present study, and underwent a battery of tests that assessed anxiety, depression, fear of negative evaluation, and quality of life. The sub-groups were identified on the basis of self-categorization using the Tomaiuoli, Del Gado, Spinetti, Capparelli, and Venuti (2015) classification, as well as the evaluation of speech samples from two independent SLPs (Sønsterud et al., 2020). The classifications were further explored by five independent 'lay' assessors who reviewed pre-therapy video and rated participants' speech on a 4-point Likert Stuttering Probability Scale (1 = 'fluent with no doubt', 2 = 'fluent with some doubt', 3 = 'stuttering with some doubt' and 4 = 'stuttering with no doubt').
RESULTS: No significant differences were found between the primarily overt and primarily covert groups in relation to self-reported symptoms of anxiety, depression, and fear of negative evaluation. However, investigation at item level identified a significant difference in linguistic avoidance between the two groups.
CONCLUSION: There may be fewer differences between people with primarily overt and primarily covert stuttering than previously thought with regards to emotional impact, as well as most aspects of avoidance behavior.
METHODS: Twenty-one adults already enrolled in a multiple, single-case treatment study (Sønsterud et al., 2019, 2020) took part in the present study, and underwent a battery of tests that assessed anxiety, depression, fear of negative evaluation, and quality of life. The sub-groups were identified on the basis of self-categorization using the Tomaiuoli, Del Gado, Spinetti, Capparelli, and Venuti (2015) classification, as well as the evaluation of speech samples from two independent SLPs (Sønsterud et al., 2020). The classifications were further explored by five independent 'lay' assessors who reviewed pre-therapy video and rated participants' speech on a 4-point Likert Stuttering Probability Scale (1 = 'fluent with no doubt', 2 = 'fluent with some doubt', 3 = 'stuttering with some doubt' and 4 = 'stuttering with no doubt').
RESULTS: No significant differences were found between the primarily overt and primarily covert groups in relation to self-reported symptoms of anxiety, depression, and fear of negative evaluation. However, investigation at item level identified a significant difference in linguistic avoidance between the two groups.
CONCLUSION: There may be fewer differences between people with primarily overt and primarily covert stuttering than previously thought with regards to emotional impact, as well as most aspects of avoidance behavior.