A Further Look at the Correlation between Item Parameters and Item Fit Statistics

Autor/inn/en	Sinharay, Sandip; Lu, Ying
Titel	A Further Look at the Correlation between Item Parameters and Item Fit Statistics
Quelle	In: Journal of Educational Measurement, 45 (2008) 1, S.1-15 (15 Seiten)Infoseite zur Zeitschrift PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0022-0655
DOI	10.1111/j.1745-3984.2007.00049.x
Schlagwörter	Correlation; Statistics; Item Response Theory + Suchen Sie Ihr Suchwort? Korrelation; Statistik; Item-Response-Theorie
Abstract	Dodeen (2004) studied the correlation between the item parameters of the three-parameter logistic model and two item fit statistics, and found some linear relationships (e.g., a positive correlation between item discrimination parameters and item fit statistics) that have the potential for influencing the work of practitioners who employ item response theory. This article examines the same type of linear relationships as studied by Dodeen. However, this article adds to the literature by employing item fit statistics not considered by Dodeen, which have been recently suggested and whose Type I error rates have been demonstrated to be generally close to the nominal level. Detailed simulations show that if one uses certain of the recently suggested item fit statistics, there is no need to worry about any linear relationships between the item parameters and item fit statistics. (Author).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10