한국판 외상후 성장 척도의 타당도 및 신뢰도 연구
Validity and Reliability of the Korean Version of the Posttraumatic Growth Inventory
김교헌 (충남대학교)
이홍석 (한림대학교)
박준호 (순천향대학교)
초록
본 연구는 외상후 성장(posttraumatic growth)을 연구하기 위해 Tedeschi와 Calhoun(1996)이 개발한 외상후 성장척도(PTGI)를 한국어로 번안하여 심리측정적 속성에 대해 검토했다. 먼저 300명의 외상 경험을 보고한 대학생과 일반인을 대상으로 탐색적 요인분석을 통해 최종 선정된 4요인, 16문항의 특성을 분석하고 요인타당도와 신뢰도를 알아보았다. 다음으로 대학생, 일반인, PTSD환자군 등 413명을 대상으로 확인적 요인분석을 통해 도출된 요인구조의 안정성과 일반화 가능성을 확인했다. 또한 외상후 성장척도와 개념적으로 관련된 척도들과의 상관 분석을 통해 타당도를 평가했다. 한국판 외상후 성장 척도는 원척도와 일부 다른 요인구조를 보였으나, 그 구조가 비교적 안정적이고 의미 있게 해석 가능했으며 내적합치도와 검사-재검사 신뢰도가 높은 것으로 나타났다. 아울러, 척도는 비교적 높은 수렴, 공존, 변별타당도를 보여 척도의 타당도를 확인하였다. 끝으로 본 연구결과를 향후 연구 방향과 관련하여 논의하였다.
- keywords
- Posttraumatic Growth, PTSD, psychological well-being, coping, impact of event, 외상후 성장, PTSD, 심리적 안녕감, 대처, 사건충격
Abstract
The purpose of this study was to examine the validity and reliability of the Korean version of the Posttraumatic Growth Inventory(K-PTGI). 808 participants(664 normal adults including university students and 144 PTSD patients) were asked to complete the K-PTGI, psychological well-being scale, impact of event scale, multidimensional coping scale, social desirability scale, Beck depression inventory, and state-trait anxiety inventory. The result of factor analysis of K-PTGI suggested 4 factor(Changes of Self-perception, The increase of Interpersonal depth, Finding new possibilities, The increase of Spiritual interest) structures indicating that similar factor structures exist for both the PTGI and K-PTGI, although some cross-cultural differences were suggested. The results showed high internal consistency, test-retest and reliability. The result also showed that participants’ posttraumatic growth was positively correlated to psychological well-being, positive coping and was negatively correlated to depression and state anxiety, negative coping. But, that was unrelated to social desirability, trait-anxiety and PTSD symptoms. Additionally, the result showed that the group of PTSD patients experienced significantly lower level of posttraumatic growth than the group of normal students who had experienced trauma. This study showed K-PTGI has convergent, concurrent, and discriminant validity. Finally, limitations of this study were discussed in relation with future studies.
- keywords
- Posttraumatic Growth, PTSD, psychological well-being, coping, impact of event, 외상후 성장, PTSD, 심리적 안녕감, 대처, 사건충격
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