| 教育技术学实验研究工具的跨时测量恒等检测 |
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| 引用本文： | 陈奕桦,魏志慧,付倩兰.教育技术学实验研究工具的跨时测量恒等检测[J].现代教育技术,2020(4):53-60. |
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| 作者姓名： | 陈奕桦 魏志慧 付倩兰 |
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| 作者单位： | 曲阜师范大学中国教育大数据研究院;上海开放大学发展研究部;四川省邛崃市南街小学 |
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| 基金项目： | 2018年四川省邛崃市教育科研规划项目“技术支持的小学数学课堂形成性评价实证研究”(项目编号:1805)资助。 |
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| 摘 要： | 基于跨时测量恒等视角与知识图谱分析,文章对我国教育技术学较常探讨的变量"自我效能"量表进行了工具检测,并以四川省某小学三年级的197名学生为被试,前后测时间间隔为6个月。文章采用结构方程模型的跨时测量恒等检验程序,依序针对不同恒等程度的模型进行比较,结果发现:数学自我效能量表不符合完全的度量恒等,放宽两道题项的参数限制后可达到部分的纯量恒等,但仍不及严格恒等的要求;跨时测量恒等性的结果会影响配对样本t检验的结论。基于此,文章提出建议:为了提升实验的内在效度,较长时间的实验研究应纳入工具的跨时测量恒等性检验。
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| 关 键 词： | 测量恒等性 实验设计 量表工具 纵向研究 |
Evaluating the Longitudinal Measurement Invariance of Likert-Scales of Educational Technology Studies |
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| CHEN Yi-hua,WEI Zhi-hui,FU Qian-Lan.Evaluating the Longitudinal Measurement Invariance of Likert-Scales of Educational Technology Studies[J].Modern Educational Technology,2020(4):53-60. |
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| Authors: | CHEN Yi-hua WEI Zhi-hui FU Qian-Lan |
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| Institution: | (Chinese Academy of Education Big Data,Qufu Normal University,Qufu,Shandong,China 273165;Development and Research Department,Shanghai Open University,Shanghai,China 20086;South Street Primary School,Qiongla,Sichuan,China 611530) |
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| Abstract: | Based on the perspective of longitudinal measurement invariance and the analysis of knowledge graph, this paper performed tool detection of "self-efficacy" scale that has been commonly discussed variable in educational technology in our country and took 197 students in the third grade of a primary school in Sichuan Province as participants, and the interval between pre-test and post-test was six months. Using the testing procedures of longitudinal measurement invariance of structural equation models, this paper compared the models with different degrees of invariance in order. Results showed that mathematical self-efficacy scale did not met the complete metric invariance, and achieve partial scalar invariance after loosening the constraints of two items, while was still less than the requirement of strict invariance. Meanwhile, the results of longitudinal measurement invariance could influence the conclusions of the paired sample t test. Based on this, the paper proposed that in order to improve the intenral validity of the experiment, longer-term experimental research should be included in the test of longitudinal measurement invariance. |
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| Keywords: | measurement invariance experiment design scale tool longitudinal study |
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