基于知识图谱和项目反应理论探析运动疗法学课程重点与难点

doi:10.3760/cma.j.cn115259-20220530-00704

中华医学教育杂志 ›› 2022, Vol. 42 ›› Issue (12): 1083-1088.DOI: 10.3760/cma.j.cn115259-20220530-00704

基于知识图谱和项目反应理论探析运动疗法学课程重点与难点

曹震宇¹, 王磊¹, 涂玥¹, 林枫²

¹南京中医药大学针灸推拿学院·养生康复学院康复医学系,南京 210023;
²南京医科大学康复医学院言语治疗学系,南京 210029

收稿日期:2022-05-30 出版日期:2022-12-01 发布日期:2022-11-28
通讯作者: 林枫, Email: peterduus_lin@hotmail.com
基金资助:
2021江苏省高等教育教改研究课题(2021JSJG295);2021江苏省高等教育学会“十四五”高等教育科学研究规划课题(YB148)

Exploring the key points and difficulties of therapeutic exercise course based on knowledge graph and item response theory

Cao Zhenyu¹, Wang Lei¹, Tu Yue¹, Lin Feng²

¹Department of Rehabilitation Medicine, School of Acupuncture-Moxibustion and Tuina, School of Health Preservation and Rehabilitation, Nanjing University of Chinese Medicine, Nanjing 210023, China;
²Department of Speech Therapy, School of Rehabilitation Medicine, Nanjing Medical University, Nanjing 210029, China

Received:2022-05-30 Online:2022-12-01 Published:2022-11-28
Contact: Lin Feng, Email: peterduus_lin@hotmail.com
Supported by:
Jiangsu Province Higher Education Teaching Reform Research Project in 2021 (2021JSJG295) ; Jiangsu Province Higher Education Society′s ″14th Five-Year Plan″ Higher Education Scientific Research Project in 2021(YB148)

摘要/Abstract

摘要： 目的应用项目反应理论(item response theory,IRT)和知识图谱(knowledge graph,KG)探析衡量医学专业课程重点与难点的量化指标,以期为促进精细化教学管理提供参考和借鉴。方法 2022年1月,基于运动疗法学课程大纲编制知识点难度问卷,对完成课程期末考试的南京中医药大学2019级康复治疗学专业119名学生进行知识点难度自评调查。提取学生考试成绩及其对61个课程专有知识点的自评结果,基于IRT进行摩肯量表分析和罗氏模型构建,评估学生的学习能力及其与考试成绩的相关性,并估算知识点的难度值;借助KG技术量化测评知识点的相关关系,并提取和分析KG核心结构。结果摩肯量表分析筛选出42个知识点用于构建罗氏模型,所得模型具有良好的拟合度(拟合度检验P=0.065)、信度(克隆巴赫系数为0.968)和效度(学生的考试成绩与模型估算的学习能力值呈显著弱相关:P=0.014,r=0.23)。各知识点难度的模型拟合度良好(Bonferroni校正P值均>0.05)。KG的核心结构覆盖61个知识点,可视化分析结果显示其呈现为含有枢纽节点的层次支配结构。结论 IRT模型和KG技术相结合,可以量化测评学生的学习能力和知识的重点和难点,为医学专业课程的教学提供精细化管理工具。

关键词: 运动疗法, 项目反应理论, 知识图谱, 教学管理

Abstract: Objective Applying item response theory (IRT) and knowledge graph (KG) to explore the quantitative indicators for measuring the key points and difficults of medical professional courses, with a view to providing reference and example for promoting refined teaching management. Methods In January 2022, a knowledge point difficulty questionnaire was developed based on the Therapeutic Exercise course syllabus, and a knowledge point difficulty self-assessment survey was administered to 119 students in the 2019 class of rehabilitation therapy at Nanjing University of Chinese Medicine who had completed the course final examination. The students′ examination results and their self-assessment results of 61 course-specific knowledge points were extracted, and the Mokken scale analysis and Roche model construction were conducted based on IRT to assess the students′ learning ability and its correlation with the examination results, and to estimate the difficulty values of the knowledge points; the correlations of the knowledge points were quantified and measured with the help of KG technology, and the core structure of KG was extracted and analysed. Results Forty-two knowledge points were selected for the construction of the Roche model by the Mokken scale analysis, and the resulting model had good fit (P=0.065 for the fit test), reliability (Cronbach coefficient of 0.968) and validity (students′ test scores were weakly and significantly correlated with the learning ability values estimated by the model: P=0.014, r=0.23). The model fit was good for each knowledge difficulty (Bonferroni corrected p-values were >0.05). the core structure of the KG covered 61 knowledge points and visual analysis showed it to be presented as a hierarchical dominant structure with pivot nodes. Conclusions The combination of IRT model and KG technology can quantitatively measure students′ learning ability and the key points and difficults of their knowledge, providing a refined management tool for teaching medical professional courses.

Key words: Therapeutic exercise, Item response theory (IRT), Knowledge graph (KG), Teaching management

中图分类号:

曹震宇, 王磊, 涂玥, 林枫. 基于知识图谱和项目反应理论探析运动疗法学课程重点与难点[J]. 中华医学教育杂志, 2022, 42(12): 1083-1088.

Cao Zhenyu, Wang Lei, Tu Yue, Lin Feng. Exploring the key points and difficulties of therapeutic exercise course based on knowledge graph and item response theory[J]. Chinese Journal of Medical Education, 2022, 42(12): 1083-1088.

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基于知识图谱和项目反应理论探析运动疗法学课程重点与难点

Exploring the key points and difficulties of therapeutic exercise course based on knowledge graph and item response theory

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