著者
熊谷 龍一
出版者
公益社団法人 日本心理学会
雑誌
心理学研究 (ISSN:00215236)
巻号頁・発行日
vol.83, no.1, pp.35-43, 2012 (Released:2012-09-26)
参考文献数
23
被引用文献数
5 6

We propose a new method, called index K, to estimate the degree of differential item functioning (DIF) on a questionnaire or test taken by multiple groups. A computer program (EasyDIF) was developed to calculate index K. In developing the program, the three following concerns were paramount: (a) the program is applicable when there are more than three groups to be analyzed, (b) it is able to accommodate polytomous items, such as a Likert scale, and (c) details of DIF can be presented in a graph. In simulations and using Big Five scale data, the performance of index K was comparable to the Mantel-Haenszel method and to the Poly-SIBTEST. It is necessary to repeat the calculations to obtain index K. However, because EasyDIF has a graphical user interface, it was intuitively easy to use. Therefore, the results were easier to obtain using EasyDIF.

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同じ概念を測定しているはずの検査、尺度について、異なるグループが回答したときの反応の差を確認することで検査、尺度の妥当性を検討する方法(と理解) #心理 #尺度 統合的DIF検出方法の提案──“EasyDIF”の開発── https://t.co/6A5qBCfelB

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