中文版临床学习环境量表的信效度评定

Reliability and Validity Evaluation of Chinese Version of the Clinical Learning Environment,Supervision and Nurse Teacher Evaluation Scale

目的：翻译、修订中文版护生临床学习环境评估量表,初步评价其效度及信度,为评估我国护生临床学习环境质量,进一步提高临床教学质量提供一种科学、有效的工具。方法：通过直译、回译、专家咨询和预试验对CLES＋T进行翻译和文化调试,形成中文版CLES＋T。采取方便抽样对太原市内4所三级甲等医院抽取的220名护生进行调查,分析评价量表的信、效度。通过项目分析、验证性因素分析检验量表的项目鉴别力和结构效度,对40名护生间隔两周重测,评定重测信度;Cronbach＇sα系数计算内部一致性信度。结果：（1）中文版量表各条目与总得分的相关系数r=0.31-0.70,P〈0.01;（2）量表总Cronbach＇sα系数为0.942,各因子的Cronbach＇sα系数为0.689-0.872,重测信度和分半信度分别为0.922和0.883;（3）量表的内容效度比为0.96;经过验证性因子分析结果显示,各拟合指数均在可接受范围内。结论：调试后的CLES＋T具有良好的信效度,适合中国文化背景下护生临床学习环境的评估与测量。但今后还需要进一步的研究对量表进行评估。

Objective：To translate and develop the Chinese version of clinical learning environment,supervision and nurse teacher evaluation scale（CLES＋T） and to test its reliability and validity in order to provide a scientific and effective tool for assessing the quality of nursing students’clinical learning environment and improving the quality of clinical teaching further.Method：The original version of the CLES＋T was translated into Chinese,back translated and culturally modified.Data were collected among nursing students from 4 grade A class Ⅲ-hospital in Taiyuan City,with 200 students completing the questionnaire.The item analysis and confirmatory factor analysis were performed to test the discrimination of items and structure validity.40 nursing students were retested 2 weeks later for the test-retest reliability. Internal consistency reliability was tested using Cronbach’s alpha.Result：（1）The correlation coefficient of item and total ranged from 0.31 to 0.70.（2）The total Cronbach’s alpha of the scale was 0.942 and the Cronbach’s alpha of the factors ranged from 0.689 to 0.872.The test-retest correlation and split-half reliability were 0.922 and 0.883.（3）The content validity ratio （CVR） of the overall scale was 0.96.Confirmatory factor analysis indicated that the fitting indexes were all in acceptable level.Conclusion： The CLES＋T has good validity and reliability.It can be used as a valid tool for the measurement and assessment of nursing students’clinical learning environment in Chinese cultural background.However, further investigation is required to develop and evaluate the questionnaire.