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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/24229

Title: Cognitive interviewing evidence on DIF in polytomous items of the student questionnaire of PISA
Authors: Padilla García, José Luis
Benítez Baena, Isabel
Hidalgo Montesinos, María Dolores
Sireci, Stephen
Issue Date: Oct-2011
Abstract: Research on Differential Item Functioning (DIF) in international and cross-cultural assessments has focused much more on developing statistics than on explaining DIF results. Qualitative evidence from cognitive interviewing may be helpful in explaining DIF results. This study is part of a major research project aimed at investigating the causes of DIF by means of cognitive interviewing. Starting from DIF results obtained by analyzing US and Spanish versions of the Student Questionnaire of the Program for International Student Assessment (PISA, OECD, 2006), 25 cognitive interviews in the US and 25 in Spain are being conducted. Interview protocols were developed taking expert appraisal evidence into account. Interviewees respond to general and follow-up probes after answering each Student Questionnaire scale. Preliminary cognitive interviewing evidence on the 8 items flagged with large DIF is presented. Lastly, arguments for extending the use of cognitive interviewing to explain DIF results will be pointed out.
Sponsorship: This research was supported in part by the Department of Economy, Innovation, and Science of the Andalusia Regional Government under the Excellent Research Fund (SEJ-5188).
Description: Paper presented at the 42th Annual Conference of the Northeastern Research Educational Research Association (Rocky Hill, CT, USA). October, 19-21, 2011.
Keywords: DIF (Differential Item Functioning)
Cognitive interviewing
URI: http://hdl.handle.net/10481/24229
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Padilla García, J.L.; Benítez Baena, I.; Hidalgo Montesinos, M.D.; Sireci, S. Cognitive interviewing evidence on DIF in polytomous items of the student questionnaire of PISA. En: 42th Annual Conference of the Northeastern Educational Research Association. Rocky Hill, CT (USA), october 19-21, 2011. [http://hdl.handle.net/10481/24229]
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