한국판 내적 속박감 및 외적 속박감 척도의 신뢰도와 타당도 연구 = The reliability and Validity of the Korean Version of the Internal and Extranal Entrapment Scale

다국어 초록 (Multilingual Abstract)

The present study examined the reliability and validity of the Korean Internal Entrapment Scale (K-IES) and Korean External Entrapment Scale (K-EES) developed by Gilbert and Allan(1998). Four hundred and one university students who agreed to take part in this study completed the K-IES and K-EES along with other psychometric measures. The results showed that the Cronbach alpha for the K-IES was .89 and Cronbach alpha for the K-EES was .92, indicating good internal consistencies. Exploratory factor analyses revealed that a single factor structure best fit the K-IES and K-EES, respectively. Each factor accounted for 59.56% of the variance on the K-IES and 51.02% of the variance on the K-EES. Confirmatory factor analysis demonstrated a satisfactory construct validity by showing good factor loadings and squared multiple correlations of each item of the K-IES and K-EES. Fit indices also showed the goodness-of-fit for each model of the K-IES and K-EES. The K-IES and K-EES were significantly correlated with self-criticism, internalized shame, depression, positive affect, negative affect, life satisfaction, and suicidal ideation which supported the convergent and concurrent validity. The K-IES and K-EES maintained a strong association with depression, positive affect and negative affect and life satisfaction, even after controlling for self-criticism and internalized shame. In addition, the K-IES and K-EES added substantially to the explained variance of depression, positive affect, negative affect, life satisfaction and suicidal ideation after controlling for the self-criticism and internalised shame, which supported incremental validity. The current findings suggest that the K-IES and K-EES are a reliable and valid instrument to assess entrapment. limitations of the current study, and future directions for this research were discussed.

국문 초록 (Abstract)

본 연구는 Gilbert와 Allan(1998)이 개발한 내적 속박감 (Internal Entrapment Scale: IES) 및 외적 속박감 척도(External Entrapment Scale: EES)에 대한 신뢰도 및 타당도를 알아보기 위해 수행하였다. 연구대상은 K지역 대학생으로 총 401명이며, 모두 연구 참여에 동의한 뒤 내적 및 외적 속박감 척도와 관련 척도들을 수행하였다. 연구 결과, 내적 신뢰도는 내적 속박감 .89 그리고 외적 속박감 .92로 양호한 수준으로 나타났다. 탐색적 요인 분석 결과, 내적 속박감 및 외적 속박감 모두 단일 요인으로 추출되었다. 각 요인에 대한 설명량은 내적 속박감 59.56% 그리고 외적 속박감 51.02%로 나타났다. 확인적 요인 분석 결과, 내적 속박감 및 외적 속박감에 속해 있는 각 문항들의 요인 부하량 및 다중 상관계수가 만족할만한 수준이었다. 내적 속박감 및 외적 속박감의 모델에 대한 적합도 지수도 수용할만한 수준으로 나타났다. 내적 속박감 및 외적 속박감은 자기비난, 내면화된 수치감, 우울, 정적 정서, 부적정서, 삶의 만족도 및 자살사고와 유의한 상관이 나타나, 수렴 및 공존 타당도가 검증되었다. 내적 속박감과 외적 속박감은 자기비난 및 내적 수치감을 통제한 후에도 여전히 우울, 부적 및 정적 정서, 삶의 만족도 및 자살사고와 유의한 편상관을 나타내었다. 또한 내적 속박감과 외적 속박감은 자기비난 및 내적 수치감을 통제한 후에도 각기 우울, 정적 정서, 부적 정서, 삶의 만족도 및 자살사고에 대한 유의한 증분 설명량을 보여줌으로써 증분 타당도가 검증되었다. 이상의 결과를 고려할 때, 한국판 내적 속박감 및 외적 속박감 척도가 속박감을 신뢰롭고 타당하게 평가하는 도구라고 볼 수 있다. 마지막으로 척도에 대한 제한점 및 미래 연구 방향에 대해 논의하였다.

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