Generalising IRT to Discriminate Between Examinees

Publikation: Beiträge in SammelwerkenAufsätze in KonferenzbändenForschungbegutachtet

Authors

We present a generalisation of the IRT framework that allows to discriminate between examinees. Our model therefore introduces examinee parameters that can be optimised with Expectation Maximisation-like algorithms. We provide
empirical results on PISA data showing that our approach leads to a more appropriate grouping of PISA countries than by test scores and socio-economic indicators.
OriginalspracheEnglisch
TitelProceedings of the International Conference on Educational Data Mining
HerausgeberOlga Cristina Santos, Jesus Gonzalez Boticario, Cristobal Romeo, Mykola Pechenizkiy, Agathe Merceron, Piotr Mitros, Jose Maria Luna, Cristian Mihaescu, Pablo Moreno, Arnon Hershkovitz, Sebastian Ventura, Michel Desmarais
Anzahl der Seiten2
ErscheinungsortMadrid
VerlagNational University for Distance Education (UNED)
Erscheinungsdatum2015
Seiten604-605
ISBN (Print)978-84-606-9425-0
PublikationsstatusErschienen - 2015
Extern publiziertJa
Veranstaltung8th International Conference on Educational Data Mining - EDM 2015 - Madrid, Spanien
Dauer: 26.06.201529.06.2015
Konferenznummer: 8
http://educationaldatamining.org/EDM2015/

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