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- Publisher Website: 10.1044/2020_JSLHR-20-00087
- Scopus: eid_2-s2.0-85097668513
- PMID: 33197356
- WOS: WOS:000602629500018
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Article: Successful Implicit Vocabulary Intervention For Three Cantonese-speaking Toddlers: A replicated Single-case Design
Title | Successful Implicit Vocabulary Intervention For Three Cantonese-speaking Toddlers: A replicated Single-case Design |
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Authors | |
Issue Date | 2020 |
Publisher | American Speech - Language - Hearing Association. The Journal's web site is located at http://www.asha.org/about/publications/journal-abstracts/jslhr-a/ |
Citation | Journal of Speech, Language, and Hearing Research, 2020, v. 63 n. 12, p. 4148-4161 How to Cite? |
Abstract | Purpose: We report on a replicated single-case design study that measured the efficacy of an expressive vocabulary intervention for three Cantonese-speaking toddlers with small expressive lexicons relative to their age. The aim was to assess the cross-cultural and cross-linguistic efficacy of an intervention method developed for English-speaking children. Method: A non-concurrent multiple baseline design was used with four baseline data points and 16 intervention sessions per participant. The intervention design incorporated implicit learning principles, high treatment dosage and control of the phonological neighborhood density of the stimuli. The children (24-39 months) attended 7-9 weeks of twice weekly input-based treatment in which no explicit verbal production was required from the child. Each target word was provided as input a minimum of 64 times in at least two intervention sessions. Treatment efficacy was measured by comparison of how many of the target and control words the child produced across the intervention period, and parent-reported expressive vocabulary checklists were completed for comparison of pre- and post-intervention child spoken vocabulary size. An omnibus effect size for the treatment effect of the number of target and control words produced across time was calculated using Kendall’s Tau. Results: There was a significant treatment effect for target words learned in intervention relative to baselines, and all children produced significantly more target than control words across the intervention period. The effect of phonological neighborhood density on expressive word production could not be evaluated because two of the three children learned all target words. Conclusion: The results provide cross-cultural evidence of the efficacy of a model of intervention that incorporated a high-dosage, cross-situational statistical learning paradigm to teach spoken word production to children with small expressive lexicons. |
Persistent Identifier | http://hdl.handle.net/10722/287178 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 0.827 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ng, SY | - |
dc.contributor.author | Stokes, SF | - |
dc.contributor.author | Alt, M | - |
dc.date.accessioned | 2020-09-22T02:57:00Z | - |
dc.date.available | 2020-09-22T02:57:00Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Journal of Speech, Language, and Hearing Research, 2020, v. 63 n. 12, p. 4148-4161 | - |
dc.identifier.issn | 1092-4388 | - |
dc.identifier.uri | http://hdl.handle.net/10722/287178 | - |
dc.description.abstract | Purpose: We report on a replicated single-case design study that measured the efficacy of an expressive vocabulary intervention for three Cantonese-speaking toddlers with small expressive lexicons relative to their age. The aim was to assess the cross-cultural and cross-linguistic efficacy of an intervention method developed for English-speaking children. Method: A non-concurrent multiple baseline design was used with four baseline data points and 16 intervention sessions per participant. The intervention design incorporated implicit learning principles, high treatment dosage and control of the phonological neighborhood density of the stimuli. The children (24-39 months) attended 7-9 weeks of twice weekly input-based treatment in which no explicit verbal production was required from the child. Each target word was provided as input a minimum of 64 times in at least two intervention sessions. Treatment efficacy was measured by comparison of how many of the target and control words the child produced across the intervention period, and parent-reported expressive vocabulary checklists were completed for comparison of pre- and post-intervention child spoken vocabulary size. An omnibus effect size for the treatment effect of the number of target and control words produced across time was calculated using Kendall’s Tau. Results: There was a significant treatment effect for target words learned in intervention relative to baselines, and all children produced significantly more target than control words across the intervention period. The effect of phonological neighborhood density on expressive word production could not be evaluated because two of the three children learned all target words. Conclusion: The results provide cross-cultural evidence of the efficacy of a model of intervention that incorporated a high-dosage, cross-situational statistical learning paradigm to teach spoken word production to children with small expressive lexicons. | - |
dc.language | eng | - |
dc.publisher | American Speech - Language - Hearing Association. The Journal's web site is located at http://www.asha.org/about/publications/journal-abstracts/jslhr-a/ | - |
dc.relation.ispartof | Journal of Speech, Language, and Hearing Research | - |
dc.title | Successful Implicit Vocabulary Intervention For Three Cantonese-speaking Toddlers: A replicated Single-case Design | - |
dc.type | Article | - |
dc.identifier.email | Stokes, SF: sstokes@hku.hk | - |
dc.identifier.authority | Stokes, SF=rp02106 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1044/2020_JSLHR-20-00087 | - |
dc.identifier.pmid | 33197356 | - |
dc.identifier.scopus | eid_2-s2.0-85097668513 | - |
dc.identifier.hkuros | 314465 | - |
dc.identifier.volume | 63 | - |
dc.identifier.issue | 12 | - |
dc.identifier.spage | 4148 | - |
dc.identifier.epage | 4161 | - |
dc.identifier.isi | WOS:000602629500018 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 1092-4388 | - |