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Examination of Factors Influencing Behavioural Intention of Communication Partners of People with Severe/Profound Intellectual Disabilities to Use Augmentative and Alternative Communication: Research Article

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Title: Examination of Factors Influencing Behavioural Intention of Communication Partners of People with Severe/Profound Intellectual Disabilities to Use Augmentative and Alternative Communication: Research Article
Language: English
Authors: Edina Hanley (ORCID 0000-0001-7453-3668), Anne-Marie Martin (ORCID 0000-0001-6446-7791), Caroline Dalton (ORCID 0000-0003-4396-2800), Shelly Chakraborty, Elaine Lehane (ORCID 0000-0002-0144-7467)
Source: British Journal of Learning Disabilities. 2026 54(2):212-225.
Availability: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
Peer Reviewed: Y
Page Count: 14
Publication Date: 2026
Document Type: Journal Articles
Reports - Research
Descriptors: Severe Intellectual Disability, Intention, Augmentative and Alternative Communication, Interpersonal Communication, Readiness, Interpersonal Relationship
DOI: 10.1111/bld.70025
ISSN: 1354-4187
1468-3156
Abstract: Background: Communication partners have a fundamental role supporting the use of Augmentative and Alternative Communication (AAC) with people with severe/profound intellectual disabilities. Multiple, complex factors influence communication partners' preparedness to use it. This study aimed to increase our understanding of the nature and extent to which the factors influencing the intention of communication partners to use AAC interconnect. Specific hypotheses underpinned by the Combined Technology Acceptance Model and Theory of Planned Behaviour (C-TAM-TPB) were tested. Methods: In this cross-sectional, descriptive, correlational study, 152 communication partners of people with severe/profound intellectual disabilities took part in an online survey. Survey items related to demographic information and items corresponding to the constructs of the C-TAM-TPB. Findings: The findings indicate that perceived usefulness (p value = 0.000 and β = 0.253, Wald′s Chi-square X[superscript 2] = 27.5) and perceived ease of use had a significant impact (p = 0.007, β = 0.145, Wald′s X[superscript 2] = 7.2) on attitude towards using AAC. Attitude (p value = 0.000 and β = 0.528, Wald′s X[superscript 2] = 20.8) and perceived behavioural control (p value = 0.000 and β = 0.332, Wald′s χ2 = 16.8) had a significant impact on behavioural intention. Conclusion: The findings contribute to the body of knowledge of the use of AAC with people with severe/profound intellectual disabilities by highlighting the need to collectively address the factors influencing communication partners' use of AAC.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1506023
Database: ERIC
FullText Text:
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  Data: Examination of Factors Influencing Behavioural Intention of Communication Partners of People with Severe/Profound Intellectual Disabilities to Use Augmentative and Alternative Communication: Research Article
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  Data: <searchLink fieldCode="AR" term="%22Edina+Hanley%22">Edina Hanley</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0001-7453-3668">0000-0001-7453-3668</externalLink>)<br /><searchLink fieldCode="AR" term="%22Anne-Marie+Martin%22">Anne-Marie Martin</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0001-6446-7791">0000-0001-6446-7791</externalLink>)<br /><searchLink fieldCode="AR" term="%22Caroline+Dalton%22">Caroline Dalton</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0003-4396-2800">0000-0003-4396-2800</externalLink>)<br /><searchLink fieldCode="AR" term="%22Shelly+Chakraborty%22">Shelly Chakraborty</searchLink><br /><searchLink fieldCode="AR" term="%22Elaine+Lehane%22">Elaine Lehane</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0002-0144-7467">0000-0002-0144-7467</externalLink>)
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  Data: <searchLink fieldCode="SO" term="%22British+Journal+of+Learning+Disabilities%22"><i>British Journal of Learning Disabilities</i></searchLink>. 2026 54(2):212-225.
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  Data: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
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  Data: 14
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  Data: 2026
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  Data: Journal Articles<br />Reports - Research
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  Data: <searchLink fieldCode="DE" term="%22Severe+Intellectual+Disability%22">Severe Intellectual Disability</searchLink><br /><searchLink fieldCode="DE" term="%22Intention%22">Intention</searchLink><br /><searchLink fieldCode="DE" term="%22Augmentative+and+Alternative+Communication%22">Augmentative and Alternative Communication</searchLink><br /><searchLink fieldCode="DE" term="%22Interpersonal+Communication%22">Interpersonal Communication</searchLink><br /><searchLink fieldCode="DE" term="%22Readiness%22">Readiness</searchLink><br /><searchLink fieldCode="DE" term="%22Interpersonal+Relationship%22">Interpersonal Relationship</searchLink>
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  Data: 10.1111/bld.70025
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  Data: 1354-4187<br />1468-3156
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  Data: Background: Communication partners have a fundamental role supporting the use of Augmentative and Alternative Communication (AAC) with people with severe/profound intellectual disabilities. Multiple, complex factors influence communication partners' preparedness to use it. This study aimed to increase our understanding of the nature and extent to which the factors influencing the intention of communication partners to use AAC interconnect. Specific hypotheses underpinned by the Combined Technology Acceptance Model and Theory of Planned Behaviour (C-TAM-TPB) were tested. Methods: In this cross-sectional, descriptive, correlational study, 152 communication partners of people with severe/profound intellectual disabilities took part in an online survey. Survey items related to demographic information and items corresponding to the constructs of the C-TAM-TPB. Findings: The findings indicate that perceived usefulness (p value = 0.000 and β = 0.253, Wald′s Chi-square X[superscript 2] = 27.5) and perceived ease of use had a significant impact (p = 0.007, β = 0.145, Wald′s X[superscript 2] = 7.2) on attitude towards using AAC. Attitude (p value = 0.000 and β = 0.528, Wald′s X[superscript 2] = 20.8) and perceived behavioural control (p value = 0.000 and β = 0.332, Wald′s χ2 = 16.8) had a significant impact on behavioural intention. Conclusion: The findings contribute to the body of knowledge of the use of AAC with people with severe/profound intellectual disabilities by highlighting the need to collectively address the factors influencing communication partners' use of AAC.
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      – SubjectFull: Intention
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      – SubjectFull: Augmentative and Alternative Communication
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