Stochastic ordering of the latent trait by the sum score under various polytomous IRT modelsVAN DER ARK, L. Andries.Psychometrika. 2005, Vol 70, Num 2, pp 283-304, issn 0033-3123, 22 p.Article

A NOTE ON STOCHASTIC ORDERING OF THE LATENT TRAIT USING THE SUM OF POLYTOMOUS ITEM SCORESVAN DER ARK, L. Andries; BERGSMA, Wicher P.Psychometrika. 2010, Vol 75, Num 2, pp 272-279, issn 0033-3123, 8 p.Article

Mokken scale analysis as time goes by: An update for scaling practitionersSIJTSMA, Klaas; MEIJER, Rob R; VAN DER ARK, L. Andries et al.Personality and individual differences. 2010, Vol 50, Num 1, pp 31-37, issn 0191-8869, 7 p.Article

MOKKEN SCALE ANALYSIS FOR DICHOTOMOUS ITEMS USING MARGINAL MODELSVAN DER ARK, L. Andries; CROON, Marcel A; SIJTSMA, Klaas et al.Psychometrika. 2008, Vol 73, Num 2, pp 183-208, issn 0033-3123, 26 p.Article

Discordancy Tests for Outlier Detection in Multi-Item QuestionnairesZIJLSTRA, Wobbe P; VAN DER ARK, L. Andries; SIJTSMA, Klaas et al.Methodology (Göttingen. Print). 2013, Vol 9, pp 69-77, issn 1614-1881, 9 p.Article

Incidence of Missing Item Scores in Personality Measurement, and Simple Item-Score ImputationVAN GINKEL, Joost R; SIJTSMA, Klaas; VAN DER ARK, L. Andries et al.Methodology (Göttingen. Print). 2010, Vol 6, pp 17-30, issn 1614-1881, 14 p.Conference Paper

POLYTOMOUS LATENT SCALES FOR THE INVESTIGATION OF THE ORDERING OF ITEMSLIGTVOET, Rudy; VAN DER ARK, L. Andries; BERGSMA, Wicher P et al.Psychometrika. 2011, Vol 76, Num 2, pp 200-216, issn 0033-3123, 17 p.Article

Investigating an Invariant Item Ordering for Polytomously Scored ItemsLIGTVOET, Rudy; VAN DER ARK, L. Andries; TE MARVELDE, Janneke M et al.Educational and psychological measurement. 2010, Vol 70, Num 4, pp 578-595, issn 0013-1644, 18 p.Article