《抑郁焦虑压力量表-21 阿拉伯文版：累积评分和判别验证测试》
The Arabic Version of The Depression Anxiety Stress Scale-21: Cumulative scaling and discriminant-validation testing.
机构信息
Faculty of Nursing, Alexandria University, Alexandria, Egypt; The Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
College of Public Health and Health Informatics, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.
出版信息
Asian J Psychiatr. 2017 Dec;30:56-58. doi: 10.1016/j.ajp.2017.07.018. Epub 2017 Jul 18.
OBJECTIVE
This study aimed to examine the validity of the Arabic version of the Depression Anxiety Stress Scale-21 (DASS-21) in 149 illicit drug users.
METHODS
We calculated α coefficient, inter-item and item-total correlations, coefficients of reproducibility and scalability (CR and CS), item difficulty and discrimination indices.
RESULTS
The DASS-21 had an acceptable reliability; but values of the CR and the CS were less than acceptable. Items varied in difficulty and discrimination; some items are candidates for elimination.
CONCLUSION
The DASS-21 is a probabilistic and not a deterministic measure of distress; it has problematic items and needs further investigations.
目的
本研究旨在检验 149 名非法药物使用者的抑郁焦虑压力量表-21（DASS-21）阿拉伯语版本的有效性。
方法
我们计算了 α 系数、项目间和项目总分相关性、可重复性和可扩展性系数（CR 和 CS）、项目难度和鉴别指数。
结果
DASS-21 具有可接受的可靠性；但 CR 和 CS 的值低于可接受水平。项目的难度和鉴别力各不相同；一些项目是淘汰的候选者。
结论
DASS-21 是一种概率性而非确定性的痛苦衡量标准；它有问题的项目，需要进一步研究。
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