한국어판 정신증상평가척도의 신뢰도와 타당도
Reliability and Validity of the Korean Version of the Psychotic Symptom Rating Scale
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초록
본 연구에서는 한글판 PSYRATS의 신뢰도와 타당도가 적절하며, 정신병적 증상을 가진 환자의 정신증상의 관찰 및 평가에 적절히 활용될 수 있음을 나타내었다. 따라서 향후 정신 증상을 가진 환자의 치료평가에 있어서 환청이나 망상 등의 증상단위의 평가를 통해 환자의 호전 여부를 보다 정확하게 판단하는 데 도움이 될 것으로 기대된다. 하지만 더 많은 환자군을 대상으로 하여 자료를 수집하고 분석하는 과정을 통해 환청이나 망상에 따른 스트레스의 표현 등 우리나라 실정에 맞는 항목의 추가와 변형을 위한 노력이 필요할 것이다.
Abstract
Objective: Psychotic Symptom Rating Scale(PSYRATS) is an assessment tool to measure the severity of different dimensions of auditory hallucinations and delusions. The reliability and validity of the Korean version of PSYRATS(K-PSYRATS) were examined in Korean patients with major psychosis Method: The inter-rater reliability of the K-PSYRATS was determined from the videotaped interviews of the five schizophrenic patients. To measure validity and internal consistency reliability, the 109 patients with auditory hallucinations or delusions were assessed using the K-PSYRATS, Positive and Negative Syndrome Scale(PANSS) and Clinical Global Impression-Severity(CGI-S) scale Result: K-PSYRATS was found to have excellent inter-rater reliability (intra-class correlation coefficient of auditory hallucination=0.81, p〈.001, intra-class correlation coefficient of delusion=0.97, p〈.001) and internal consistency reliability(Cronbach's α of auditory hallucination=0.77, Cronbach's α of delusion=0.76). Significant correlation was found between K-PSYRATS and positive syndrome subscale of PANSS and CGI. Conclusion: K-PSYRATS is a useful assessment instrument for psychotic symptoms in Korea.
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