Intervention studies with group design targeting expressive phonology for children with developmental speech and language disorder: a systematic review and meta‐analysis

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dc.contributor.authorKunnari, Sarien
dc.contributor.authorSanduvete‐Chaves, Susanaen
dc.contributor.authorChacon‐Moscoso, Salvadoren
dc.contributor.authorCaetano Alves, Dinaen
dc.contributor.authorOzbič, Martinaen
dc.contributor.authorPetinou, Kakiaen
dc.contributor.authorTolonen, Anna‐Kaisaen
dc.contributor.authorZajdó, Krisztinaen
dc.contributor.authorFrizelle, Paulineen
dc.contributor.authorMurphy, Carol‐Anneen
dc.contributor.authorSaldana, Daviden
dc.contributor.authorLaasonen, Marjaen
dc.contributor.funderEuropean Cooperation in Science and Technologyen
dc.contributor.funderFondo Nacional de Desarrollo Científico, Tecnológico y de Innovación Tecnológicaen
dc.contributor.funderJunta de Andalucíaen
dc.contributor.funderMinisterio de Ciencia e Innovaciónen
dc.contributor.funderAgencia Estatal de Investigaciónen
dc.contributor.funderFundação para a Ciência e a Tecnologiaen
dc.date.accessioned2025-08-12T14:33:36Z
dc.date.available2025-08-12T14:33:36Z
dc.date.issued2024-08-30en
dc.description.abstractBackground: Phonological difficulties are prevalent in children with speech and/or language disorders and may hamper their later language outcomes and academic achievements. These children often form a significant proportion of speech and language therapists’ caseloads. There is a shortage of information on evidence-based interventions for improving phonological skills in children and adolescents with speech and language disorder. Aims: The aim of this systematic literature review and meta-analysis was to systematically examine the effects of different intervention approaches on speech production accuracy and phonological representation skills in children with speech and language disorders. Methods: A preregistered systematic review (International Prospective Register of Systematic Reviews ID: CRD42017076075) adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines was completed. Seven electronic databases (PubMed, Web of Science, ERIC, PsychINFO, Cochrane Library, SCOPUS and Linguistics & Language Behavior Abstracts) were searched for studies related to oral language interventions with children with developmental speech and/or language disorder (mean age ranging from 3–18 years) published between January 2006 and August 2022. The included articles reported intervention studies with a group design in which speech production accuracy was the outcome measure. Studies were appraised using the Cochrane risk of bias tool, and individual effect sizes were calculated using standardised means differences when enough data was available. A meta-analysis was conducted obtaining the average standardised mean difference d. Heterogeneity, influence of possible moderator variables and publication bias were explored. Results: The 23 studies that met the inclusion criteria presented low-medium risk of bias. Nine effect sizes were obtained from seven of these studies that presented a pre-post-test with a control group design. Medium-high average effect sizes were found in phonological accuracy. Heterogeneity was found between individual effect sizes. Significant moderator variables and publication bias were not detected. Conclusions: The results of this meta-analysis indicate positive effects on speech production accuracy. Based on this review, further improvements in the quality of reporting for intervention research are required in developing the evidence base for practice.en
dc.description.sponsorshipEuropean Cooperation in Science and Technology (COST 106/14); Fondo Nacional de Desarrollo Científico, Tecnológico y de Innovación Tecnológica (1190945); Junta de Andalucía (US-1263096); Ministerio de Ciencia e Innovación (D2020-115486GB-I00); Fundação para a Ciência e a Tecnologia (UIDB/00214/2020)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationKunnari, S., Sanduvete‐Chaves, S., Chacon‐Moscoso, S., Alves, D. C., Ozbič, M., Petinou, K., Tolonen, A. K., Zajdó, K., Frizelle, P., Murphy, C. A. and Saldana, D. (2024) 'Intervention studies with group design targeting expressive phonology for children with developmental speech and language disorder: a systematic review and meta‐analysis', International Journal of Language & Communication Disorders, 59(6), pp.2686-2705. https://doi.org/10.1111/1460-6984.13110en
dc.identifier.doi10.1111/1460-6984.13110en
dc.identifier.eissn1460-6984en
dc.identifier.endpage2705en
dc.identifier.issn1368-2822en
dc.identifier.issued6en
dc.identifier.journaltitleInternational Journal of Language & Communication Disorders, 59(6), pp.2686-2705en
dc.identifier.startpage2686en
dc.identifier.urihttps://hdl.handle.net/10468/17776
dc.identifier.volume59en
dc.language.isoenen
dc.publisherJohn Wiley & Sons, Inc.en
dc.relation.ispartofInternational Journal of Language & Communication Disordersen
dc.rights© 2024, the Author(s). International Journal of Language & Communication Disorders published by John Wiley & Sons Ltd on behalf of Royal College of Speech and LanguageTherapists. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium,provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectInterventionen
dc.subjectLanguage disorderen
dc.subjectMeta-analysisen
dc.subjectPhonologyen
dc.subjectSpeech disorderen
dc.subjectSystematic reviewen
dc.titleIntervention studies with group design targeting expressive phonology for children with developmental speech and language disorder: a systematic review and meta‐analysisen
dc.typeArticle (peer-reviewed)en
dc.typejournal-articleen
oaire.citation.issue6en
oaire.citation.volume59en
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