Differential Item Function

Margaret Wu (), Hak Ping Tam and Tsung-Hau Jen
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Margaret Wu: National Taiwan Normal University
Hak Ping Tam: National Taiwan Normal University, Graduate Institute of Science Education
Tsung-Hau Jen: National Taiwan Normal University

Chapter Chapter 11 in Educational Measurement for Applied Researchers, 2016, pp 207-225 from Springer

Abstract: Abstract For every IRT model, a mathematical function is used to specify the probability of item responses as a function of the ability (latent trait). The degree to which the observed data fit the mathematical function needs to be examined since valid results can only be drawn if the data fit the model.

Keywords: Differential Item Functioning; Item Difficulty; Statistical Significance Test; Differential Item Functioning Analysis; Differential Item Functioning Item (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/978-981-10-3302-5_11

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