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Cluster-randomized controlled trial evaluating the effectiveness of computer-assisted intervention delivered by educators for children with speech sound disorders

Howland, Charlotte; McLeod, Sharynne; Baker, Elise; McCormack, Jane; Wren, Yvonne; Roulstone, Sue; Crowe, Kathryn; Masso, Sarah; White, Paul

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Authors

Charlotte Howland

Sharynne McLeod

Elise Baker

Jane McCormack

Yvonne Wren

Kathryn Crowe

Sarah Masso

Paul White Paul.White@uwe.ac.uk
Associate Professor in Applied Statistics



Abstract

© 2017 American Speech-Language-Hearing Association. Purpose: The aim was to evaluate the effectiveness of computer-assisted input-based intervention for children with speech sound disorders (SSD). Method: The Sound Start Study was a cluster-randomized controlled trial. Seventy-nine early childhood centers were invited to participate, 45 were recruited, and 1,205 parents and educators of 4- and 5-year-old children returned questionnaires. Children whose parents and educators had concerns about speech were assessed (n =275); 132 children who were identified with phonological patternbased errors underwent additional assessment. Children with SSD and no difficulties with receptive language or hearing, typical nonverbal intelligence, and English as their primary language were eligible; 123 were randomized into two groups (intervention n = 65; control n = 58), and 3 withdrew. The intervention group involved Phoneme Factory Sound Sorter software (Wren & Roulstone, 2013) administered by educators over 9 weeks; the control group involved typical classroom practices. Participants were reassessed twice by a speech-language pathologist who was unaware of the initial assessment and intervention conditions. Results: For the primary outcome variable (percentage of consonants correct), the significant mean change from pre- to postintervention for the intervention group (mean change = +6.15, p

Citation

Howland, C., McLeod, S., Baker, E., McCormack, J., Wren, Y., Roulstone, S., …White, P. (2017). Cluster-randomized controlled trial evaluating the effectiveness of computer-assisted intervention delivered by educators for children with speech sound disorders. Journal of Speech, Language, and Hearing Research, 60(7), 1891-1910. https://doi.org/10.1044/2017_JSLHR-S-16-0385

Journal Article Type Article
Acceptance Date Feb 20, 2017
Online Publication Date Jul 12, 2017
Publication Date Jul 12, 2017
Deposit Date Apr 19, 2017
Publicly Available Date May 3, 2017
Journal Journal of Speech, Language, and Hearing Research
Print ISSN 1092-4388
Publisher American Speech-Language-Hearing Association
Peer Reviewed Peer Reviewed
Volume 60
Issue 7
Pages 1891-1910
DOI https://doi.org/10.1044/2017_JSLHR-S-16-0385
Keywords cluster randomized controlled trial, computer-assisted intervention, educators, children, speech sound disorders
Public URL https://uwe-repository.worktribe.com/output/884038
Publisher URL http://jslhr.pubs.asha.org/

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