J Korean Acad Soc Nurs Educ.  2020 Feb;26(1):47-55. 10.5977/jkasne.2020.26.1.47.

Validity and Reliability of Korean Version of Post-traumatic Stress Disorder Scale (K-PTSD) Measuring Attitudes and Knowledge of PTSD

Affiliations
  • 1College of Nursing.The Research Institute of Nursing Science, Seoul National University
  • 2Department of Nursing, Andong National University
  • 3Department of Emergency Medical Services, Daejeon University
  • 4College of Nursing, Seoul National University

Abstract

Purpose
The aim of this study was to examine the validity and reliability of the Korean version of the PTSD scale (K-PTSD) for measuring attitudes and knowledge of PTSD. Methods: A cross-sectional study design was used. The K-PTSD scale consisted of 8 items for attitudes, 8 items for general knowledge of PTSD, and 3 items for knowledge of PTSD treatment; 211 nursing students and paramedic students participated. Content validity, item analysis, and factor analysis were used to examine the construct validity. Criterion validity was tested by using educational experience with PTSD as a criterion. Cronbach's α was used to identify internal consistency reliability in the attitude scale. Results: Construct validity of the K-PTSD was verified by exploratory factor analysis, with factor loadings for attitude ranging from .59 to .84. Criterion validity in comparing knowledge of PTSD (t=2.02, p=.044) and PTSD treatment (t=3.19, p=.022) showed a significant difference according to PTSD educational experience. Cronbach's α for the attitude scale was .79 and .59. Conclusion: The findings suggest that the K-PTSD is a valid and reliable tool that can measure attitudes and knowledge of PTSD among nursing and paramedic students. However, further study is needed to retest the verification of this scale with more diverse participants.

Keyword

Post-traumatic stress disorders; Validation study; Attitude; Knowledge; 외상 후 스트레스장애; 타당도 검증; 태도; 지식
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