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Analysis of Research Trends Concerning AAC-Related Interventions Conducted in an Integrated Education Environment

  • Journal of Special Education: Theory and Practice
  • Abbr : JSPED
  • 2022, 23(1), pp.133-163
  • DOI : 10.19049/JSPED.2022.23.1.06
  • Publisher : Research Institute of the Korea Special Education
  • Research Area : Social Science > Education
  • Received : February 9, 2022
  • Accepted : March 7, 2022
  • Published : March 31, 2022

Nam, Youjo 1,  Lee, Hyeonmi 1,  PARK, KYOUNG-OCK 2

1대구대학교 대학원 특수교육전공
2대구대학교

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ABSTRACT

[Purpose] The purpose of this study is to analyze research trends concerning AAC-related interventions conducted in an integrated education environment in Korea and to suggest a follow-up research direction in the future. [Method] This study analyzed 24 academic journals published from 2004 to 2021. This study calculated the frequency and percentage of overall research trends, subjects of interventions, AAC intervention methods, and the validity and reliability of studies in an integrated education environment applying AAC-related interventions. [Results] First, as a result of our overall research trend analysis, we have seen that research concerning AAC-related interventions has been being conducted steadily since 2004. In most cases, researchers have directly participated in the intervention. Second, from our analysis of the research intervention subjects, it was found that students with disabilities accounted for most of the research and that only 5 studies on students without disabilities had been conducted. Third, as a result of the analysis of the AAC intervention method, in the study design method, the multiple baseline design for students with disabilities and survey research for students without disabilities were seen to be used the most. In the intervention method, direct instruction for students with disabilities and watching video education for students without disabilities were found the most. In the independent variable, the use of high-tech AAC was the most common and it was found that most studies used both representational and abstract symbols. In the dependent variable, the combined variables were the most common for both students with disabilities and without disabilities. Fourth, as a result of the validity and reliability analysis of the research, it was found that there were many studies in which maintenance tests were carried out and generalization tests were not carried out. There were many studies that did not show intervention fidelity and social validity, and there were more studies that showed inter-observer reliability. [Conclusion] The study has significance in that it analyzed research trends concerning AAC-related interventions conducted in an integrated education environment and suggested a follow-up research direction of the AAC studies.

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