한국판 응시불안평가척도(K-GARS)의 타당화 연구
Validation of Korean version of Gaze Anxiety Rating Scale(K-GARS)
이장한 (중앙대학교)
초록
본 연구는 사회불안장애의 특징인 응시불안 및 응시회피를 측정하는 응시불안평가척도(Gaze Anxiety Rating Scale)를 번역하여 신뢰도와 타당도를 검증하였다. 이를 위해 본 연구는 대학생333명을 대상으로 응시불안평가척도와 사회불안을 측정하는 질문지를 함께 실시하였다. 요인분석결과, 응시불안 하위척도는 3요인이었으며 응시회피 하위척도는 4요인으로, 주로 다수에게 주목을받는 상황에서 응시불안을 느끼며 자신의 의견을 말하거나 평가 받는 상황에서 응시회피를 느끼는 것으로 나타났다. 응시불안평가척도의 전체 문항 및 하위 척도 모두 높은 수준의 내적일치도와 검사-재검사 신뢰도를 보였으며 사회불안과 관련된 다른 척도와도 높은 수렴타당도를 보이는것으로 나타났다. 응시불안평가척도의 문항변별도와 응답자 특성을 추정하기 위해 다분문항반응이론에 의한 문항분석으로 문항변별도와 경계특성곡선 위치의 유사성을 분석한 결과, 모든 문항이 높은 변별력을 보여 제거할 문항은 없는 것으로 나타났다. 이러한 결과는 다양한 치료적, 연구적 장면에서 객관적인 관찰방법에 국한되어 측정되던 응시불안 및 응시회피가 한국판 응시불안평가 척도를 통해 그 주관적 보고 또한 신뢰롭게 평가될 수 있음을 시사한다.
- keywords
- 사회불안, 응시불안, 응시회피, 요인분석, 다분문항반응이론, social anxiety, gaze anxiety, gaze avoidance, factor analysis, polytomous item response theory
Abstract
This study investigated the psychometric properties of the Korean version of Gaze Anxiety Rating Scale (K-GARS) with factor analysis and polytomous item response theory(polytomous IRT). A total 333 university student were asked to respond to K-GARS and questionnaires to measure social anxiety tendency. Exploratory factor analysis revealed four factor structures in gaze avoidance dimension and gaze anxiety dimension, consisting of three factor structure with a high internal consistency and convergent validity. People mainly reported gaze avoidance in the public speaking or evaluative situation. They felt gaze anxiety when they were engaged in public attention. Polytomous IRT revealed that all items had appropriate discrimination to measure the trait of gaze avoidance and gaze anxiety accurately. Therefore, no item was eliminated from the original GARS. This suggested that Korean version of GARS could be extended from the restricted study field of gaze avoidance and gaze anxiety where empirical data are mostly studied. It could also be practically used in clinical context with a high reliability.
- keywords
- 사회불안, 응시불안, 응시회피, 요인분석, 다분문항반응이론, social anxiety, gaze anxiety, gaze avoidance, factor analysis, polytomous item response theory
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