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KMID : 0894920170170010075
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Journal of the Korean Association for Persons with Autism
2017 Volume.17 No. 1 p.75 ~ p.101
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A Meta-Analysis of Single-Case Research Using Social Stories™ : Comparison between South Korea and Other Countries
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Choi Jin-Hyeok
Kim Dae-Yong
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Abstract
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We conducted a meta-analysis to analyze Social Stories™-related research articles published in South Korea and other countries (e.g., US, Canada, Turkey) in terms of (a) research trend, (b) effect size of the intervention, and (c) methodological quality. 12 experimental research published between 1993 and 2016 in South Korea were searched and selected from peer-reviewed journal articles listed on the Korea Citation Index; 17 experimental research published in other countries (e.g., US, Canada, Turkey) between 1993 and 2016 were searched and selected from peer-reviewed international journals. The research trend, quality, and intervention’s effect size factors of the target articles were analyzed in terms of (a) participants’ ages, (b) experimental settings, (c) primary dependent variables, (d) additional independent variables. The results showed as follows: First, the participants of both countries were under 6~11 year old. The primary dependent variables of all the target articles were social interactions, communications, and problem behaviors. Second, most of the Social Stories™ articles published in South Korea were conducted in the special education school or clinic settings; most of the Social Stories™ articles published in other countries (e.g., US, Canada, Turkey) were conducted in the self-contained classroom setting of general education schools. Third, most of the Social Stories™ articles of South Korea employed multi-strategies in addition to Social Stories™ as the independent variables; most of the Social Stories™ articles of other countries (e.g., US, Canada, Turkey) employed Social Stories™ without any additional interventional strategies. In addition, we also calculated the Percentage of Non-overlapping Data (PND) and Improvement Rate Difference (IRD) for each articles so that we identified an intervention effect size for each article. The results showed that the Social Stories™ articles published in South Korea showed ‘fairly effectiveness’ along with 83.6% PND and 79.9% IRD. However, the Social Stories™ articles published other countries (e.g., US, Canada, Turkey) showed ‘questionable effectiveness’ along with 57.4% PND and 57.1% IRD. For article’s quality factors, we used the quality indicators within a single case research (Horner et al., 2005; Jitendra et al., 2011). The results showed that most of the target articles achieved sufficient scores for their quality as a single case research in general.
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KEYWORD
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Social Stories™, Autism spectrum disorder, Evidence-based practice, single case research, Meta-Analysis
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