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Comparing Location-Based and Category-Based AAC Interventions for Improving Communication Skills in Adolescents with Complex Communication Needs

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Title: Comparing Location-Based and Category-Based AAC Interventions for Improving Communication Skills in Adolescents with Complex Communication Needs
Language: English
Authors: Na Kyeong Han (ORCID 0009-0001-8692-6554), Kyungrang Baik (ORCID 0000-0002-6744-3522), Ki-Hyung Hong (ORCID 0000-0001-7034-4122), Hyun Jung Lee (ORCID 0000-0002-0121-6327), Young Tae Kim (ORCID 0000-0003-1738-6862)
Source: Journal of Special Education Technology. 2026 41(1):43-56.
Availability: SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: https://sagepub.com
Peer Reviewed: Y
Page Count: 14
Publication Date: 2026
Document Type: Journal Articles
Reports - Research
Descriptors: Communication Problems, Communication Skills, Augmentative and Alternative Communication, Intervention, Program Effectiveness, Preadolescents, Autism Spectrum Disorders, Intellectual Disability, Language Skills, Geographic Information Systems, Geographic Location, Foreign Countries
Geographic Terms: South Korea
DOI: 10.1177/01626434251321105
ISSN: 0162-6434
2381-3121
Abstract: Adolescents with complex communication needs require interventions based on community communication skills for effective communication within the expanding scope of their lives. This study aimed to compare two augmentative and alternative communication (AAC) interventions by using script for their effectiveness in helping four adolescents with complex communication needs to express themselves in the community. The devices used in the study were a location-based and a category-based high-tech AAC device used in an alternative treatment design. The two intervention methods were alternated during the intervention phase of the study to determine the more effective one. The effect size was calculated using an improvement rate difference (IRD) analysis. Then, the more effective method was applied instead of the less effective one in the replication phase, within the setting where the less effective method had previously been employed, to assess its effectiveness. and effective AAC communication methods were employed within the community during the generalization phase. As a result of the interventions, all four participants showed increased accuracy of expression in the local community compared with the baseline, and the location-based tool showed greater treatment effects than the category-based tool. Additionally, the location-based device also showed generalization effects in the local community. The findings confirmed the efficacy of the two different AAC tools to improve the accuracy of expression among adolescents with complex communication needs, facilitating their integration into the community.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1496892
Database: ERIC
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  Data: Comparing Location-Based and Category-Based AAC Interventions for Improving Communication Skills in Adolescents with Complex Communication Needs
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  Data: <searchLink fieldCode="AR" term="%22Na+Kyeong+Han%22">Na Kyeong Han</searchLink> (ORCID <externalLink term="https://orcid.org/0009-0001-8692-6554">0009-0001-8692-6554</externalLink>)<br /><searchLink fieldCode="AR" term="%22Kyungrang+Baik%22">Kyungrang Baik</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-6744-3522">0000-0002-6744-3522</externalLink>)<br /><searchLink fieldCode="AR" term="%22Ki-Hyung+Hong%22">Ki-Hyung Hong</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0001-7034-4122">0000-0001-7034-4122</externalLink>)<br /><searchLink fieldCode="AR" term="%22Hyun+Jung+Lee%22">Hyun Jung Lee</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-0121-6327">0000-0002-0121-6327</externalLink>)<br /><searchLink fieldCode="AR" term="%22Young+Tae+Kim%22">Young Tae Kim</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0003-1738-6862">0000-0003-1738-6862</externalLink>)
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Special+Education+Technology%22"><i>Journal of Special Education Technology</i></searchLink>. 2026 41(1):43-56.
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  Data: SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: https://sagepub.com
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  Data: <searchLink fieldCode="DE" term="%22Communication+Problems%22">Communication Problems</searchLink><br /><searchLink fieldCode="DE" term="%22Communication+Skills%22">Communication Skills</searchLink><br /><searchLink fieldCode="DE" term="%22Augmentative+and+Alternative+Communication%22">Augmentative and Alternative Communication</searchLink><br /><searchLink fieldCode="DE" term="%22Intervention%22">Intervention</searchLink><br /><searchLink fieldCode="DE" term="%22Program+Effectiveness%22">Program Effectiveness</searchLink><br /><searchLink fieldCode="DE" term="%22Preadolescents%22">Preadolescents</searchLink><br /><searchLink fieldCode="DE" term="%22Autism+Spectrum+Disorders%22">Autism Spectrum Disorders</searchLink><br /><searchLink fieldCode="DE" term="%22Intellectual+Disability%22">Intellectual Disability</searchLink><br /><searchLink fieldCode="DE" term="%22Language+Skills%22">Language Skills</searchLink><br /><searchLink fieldCode="DE" term="%22Geographic+Information+Systems%22">Geographic Information Systems</searchLink><br /><searchLink fieldCode="DE" term="%22Geographic+Location%22">Geographic Location</searchLink><br /><searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22South+Korea%22">South Korea</searchLink>
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  Data: 10.1177/01626434251321105
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  Data: 0162-6434<br />2381-3121
– Name: Abstract
  Label: Abstract
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  Data: Adolescents with complex communication needs require interventions based on community communication skills for effective communication within the expanding scope of their lives. This study aimed to compare two augmentative and alternative communication (AAC) interventions by using script for their effectiveness in helping four adolescents with complex communication needs to express themselves in the community. The devices used in the study were a location-based and a category-based high-tech AAC device used in an alternative treatment design. The two intervention methods were alternated during the intervention phase of the study to determine the more effective one. The effect size was calculated using an improvement rate difference (IRD) analysis. Then, the more effective method was applied instead of the less effective one in the replication phase, within the setting where the less effective method had previously been employed, to assess its effectiveness. and effective AAC communication methods were employed within the community during the generalization phase. As a result of the interventions, all four participants showed increased accuracy of expression in the local community compared with the baseline, and the location-based tool showed greater treatment effects than the category-based tool. Additionally, the location-based device also showed generalization effects in the local community. The findings confirmed the efficacy of the two different AAC tools to improve the accuracy of expression among adolescents with complex communication needs, facilitating their integration into the community.
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  Data: 2026
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  Data: EJ1496892
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        Value: 10.1177/01626434251321105
    Languages:
      – Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 43
    Subjects:
      – SubjectFull: Communication Problems
        Type: general
      – SubjectFull: Communication Skills
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      – SubjectFull: Augmentative and Alternative Communication
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      – SubjectFull: Program Effectiveness
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      – SubjectFull: South Korea
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      – TitleFull: Comparing Location-Based and Category-Based AAC Interventions for Improving Communication Skills in Adolescents with Complex Communication Needs
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