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題名 | 運用多變項概化理論決斷短式測驗的適宜題數=Using Multivariate Generalizability Theory to Decide the Goodness of Fit Length of Short Form Testing |
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作者姓名(中文) | 姚漢禱; | 書刊名 | 中原體育學報 |
卷期 | 6 2015.07[民104.07] |
頁次 | 頁97-104 |
分類號 | 528.9017 |
關鍵詞 | 變異成份; 共變數成份; 合成概化係數; 決斷研究; Variance components; Covariance components; Composite coefficients of generalizability; D-study; |
語文 | 中文(Chinese) |
中文摘要 | 研究目的是從信度的觀點,並維持測驗架構下,決斷短式測驗的各向度合適的題數。研究方法是依據多變項概化理論,利用mGENOVA分析高中體育教師評鑑量表440筆資料,首先概化研究(G-Study)估計測驗的變異成份、共變數成份、向度的相關和權重;其次決斷研究 (D-Study)計算各變項(向度)、合成概化係數和Phi係數,決斷短式測驗各向度適宜題數。主要的發現:第一、研究獨創性提出相對效率和絕對效率兩項指標,兩者可提供決斷短式測驗的簡要訊息。第二、原測驗信度高時,有較大的精簡空間。第三、維持原有題數比率,可保持原測驗的結構,不會變成新的測驗。結論為:從信度的觀點,採用多變項概化理論,可以提供短式測驗決斷各向度的適宜題數。 |
英文摘要 | The purpose of study had making a decision about the appropriate number of items and maintaining the test framework from the view of reliability in short form testing. Research method was based on the multivariate generalizability theory (MGT), which used mGENOVA to analyze the data of 'the Multidimensional Sportspersonship Orientation Scale' 555 subjects and 'the senio r High school Physical education Teacher Evaluation questionnaire' 440 subjects. First of all, generalizability study was to estimate variance components, covariance components, and the correlations and weights of dimension in the testing. Secondly decision study calculated variables (dimensions), the composite coefficients of generalizability and Phi, and determination of short form testing suitable for the number of items. The main founds of the study were listed as follows. First, the originality of study presented the relative efficiency and absolute efficiency of two indicators, both of which provide a brief information to decide short form testing. Second, original test was high reliability, and there was wider streamlining range. Third, to maintain the original ratio of the number of items, we can keep the original structure of the test will not turn into a new test. Conclusion of the research was as follows: From the view of reliability, used MGT, it can provide decision for the appropriate item number of dimension in the short form testing. |
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