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http://dx.doi.org/10.5392/JKCA.2015.15.10.354

Application of Rasch Analysis to the Korean Recovery Assessment Scale  

Lim, Kyung-Min (연세대학교 일반대학원 작업치료학과)
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Abstract
The purpose of this study is to investigate validation of the Recovery Assessment Scale(RAS) for Korean Version using Rasch analysis. This study included 60 patients who had chronic schizophrenia and were aged 18 or older. The data were analysed using a Rasch analysis to investigate whether the persons and items fit, the distribution of item difficulty and the appropriateness of the rating scale. 1 out of 60 subjects were found to not fit. 3 out of 24 items were also found to be misfit. The misfitted items was 'I believe that I can meet my current personal goals','Even when I don't care about myself, other people do. ','Coping with my mental illness is no longer the main focus of my life.'. Of the appropriate items, the most difficult was 'I can handle what happens in my life' and the easiest was 'Something good will eventually happen'. The RAS rating scale was shown to be appropriate for patients who had chronic schizophrenia. The item separation reliability was .70, and the person separation reliability was .94. Further studies are needed to investigate validity and criterion cut-off score for many patients with chronic mental illess.
Keywords
Recovery Assessment Scale; Schizophrenia; Rasch Analysis;
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Times Cited By KSCI : 3  (Citation Analysis)
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