Department of Basic Psychology, School of Psychology, Army Medical University, Chongqing, 400038, China.
Department of Psychological Nursing, School of Nursing, Army Medical University, Chongqing, 400038, China.
BMC Med Educ. 2019 Jun 13;19(1):200. doi: 10.1186/s12909-019-1593-z.
This study aimed to develop and conduct psychometric testing of the Critical Thinking Disposition Inventory to measure the critical thinking disposition of Chinese medical college students.
The study was conducted in two stages: (a) item generation, reliability analysis and exploratory factor analysis (EFA) and (b) confirmatory factor analysis (CFA) and testing of psychometric properties (Cronbach' s alpha, test-retest reliability and convergent validity). The subjects included 1035 Chinese medical college students. The test-retest reliability of the instrument was determined at a two-week interval (n = 61). A general linear regression model was developed to examine the predictive effects of gender, age and major on CT disposition. The data were analysed with SPSS 22.0 and Amos 21.0 during item development and the reliability and validity analyses. Vista was utilized for parallel analysis during the principal axis analysis.
Eighteen final items were sorted into 3 factors, which were identified as "Open-mindedness", "Systematicity/Analyticity" and "Truth-seeking", with cumulative variance of 41.37, 46.00 and 49.59%, respectively. The Cronbach's alpha was 0.924, and the factors' alphas ranged from 0.824 to 0.862. The correlational analysis indicated significant correlations between the subscales of the CTDI-CM and the total scores of the CTDI-CV, indicating modest evidence for the convergent validity of the CTDI-CM. Gender, age and education significantly predicted the CT disposition of Chinese medical students. Open-mindedness and Systematicity/Analyticity were higher for medical students than for nursing students.
This study presents a reliable and valid instrument for clinical thinking disposition. Future studies should explore other predictive factors of CT dispositions (e.g., cognitive/motivational) and criterion validity.
本研究旨在开发和测试《批判性思维倾向量表》，以测量中国医学生的批判性思维倾向。
本研究分两个阶段进行：（a）项目生成、信度分析和探索性因素分析（EFA）和（b）验证性因素分析（CFA）以及心理测量特性测试（Cronbach' s alpha、重测信度和聚合效度）。研究对象包括 1035 名中国医学生。在两周的时间间隔内（n=61）确定仪器的重测信度。建立了一个一般线性回归模型，以检验性别、年龄和专业对 CT 倾向的预测作用。在项目开发和可靠性及有效性分析中，使用 SPSS 22.0 和 Amos 21.0 分析数据。在主成分分析中使用 Vista 进行平行分析。
18 个最终项目被分为 3 个因素，分别确定为“开放性”、“系统性/分析性”和“求真”，累积方差分别为 41.37%、46.00%和 49.59%。Cronbach' s alpha 为 0.924，因子的 alpha 值范围为 0.824 至 0.862。相关性分析表明，CTDI-CM 的子量表与 CTDI-CV 的总分之间存在显著相关性，表明 CTDI-CM 的聚合效度具有中等证据。性别、年龄和教育程度显著预测中国医学生的 CT 倾向。与护理专业的学生相比，医学生的开放性和系统性/分析性更高。
本研究提供了一种可靠有效的临床思维倾向工具。未来的研究应探索 CT 倾向的其他预测因素（例如认知/动机）和效标效度。
