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Speech production in very preterm children (van Noort-van der Spek et al., 2022) ...
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Speech production in very preterm children (van Noort-van der Spek et al., 2022) ...
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Behavior and temperament in childhood stuttering (Koenraads et al., 2021) ...
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Behavior and temperament in childhood stuttering (Koenraads et al., 2021) ...
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Comparison of percentage of syllables stuttered with parent-reported severity ratings as a primary outcome measure in clinical trials of early stuttering treatment
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Onslow, Mark; Jones, Mark; O'Brian, Sue; Packman, Ann; Menzies, Ross; Lowe, Robyn; Arnott, Simone; Bridgman, Kate; de Sonneville, Caroline; Franken, Marie-Christine. - : American Speech - Language - Hearing Association, 2018
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Abstract:
This report investigates whether parent-reported stuttering severity ratings (SRs) provide similar estimates of effect size as percentage of syllables stuttered (%SS) for randomized trials of early stuttering treatment with preschool children.Data sets from 3 randomized controlled trials of an early stuttering intervention were selected for analyses. Analyses included median changes and 95% confidence intervals per treatment group, Bland-Altman plots, analysis of covariance, and Spearman rho correlations.Both SRs and %SS showed large effect sizes from pretreatment to follow-up, although correlations between the 2 measures were moderate at best. Absolute agreement between the 2 measures improved as percentage reduction of stuttering frequency and severity increased, probably due to innate measurement limitations for participants with low baseline severity. Analysis of covariance for the 3 trials showed consistent results.There is no statistical reason to favor %SS over parent-reported stuttering SRs as primary outcomes for clinical trials of early stuttering treatment. However, there are logistical reasons to favor parent-reported stuttering SRs. We conclude that parent-reported rating of the child's typical stuttering severity for the week or month prior to each assessment is a justifiable alternative to %SS as a primary outcome measure in clinical trials of early stuttering treatment.
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Keyword:
1203 Language and Linguistics; 3310 Linguistics and Language; 3616 Speech and Hearing; Audiovisual Measures; Camperdown Program; Intensive Treatment Program; Lidcombe Program; Phase-I Trial; Preschool-Age Children; Prolonged-Speech Treatment; Randomized Controlled-Trial; Telehealth Delivery; Time-Interval Analysis
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URL: https://espace.library.uq.edu.au/view/UQ:723930
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