RELIABILITY BEYOND THEORY AND INTO PRACTICESIJTSMA, Klaas.Psychometrika. 2009, Vol 74, Num 1, pp 169-173, issn 0033-3123, 5 p.Article

FUTURE OF PSYCHOMETRICS: ASK WHAT PSYCHOMETRICS CAN DO FOR PSYCHOLOGYSIJTSMA, Klaas.Psychometrika. 2012, Vol 77, Num 1, pp 4-20, issn 0033-3123, 17 p.Article

ON THE USE, THE MISUSE, AND THE VERY LIMITED USEFULNESS OF CRONBACH'S ALPHASIJTSMA, Klaas.Psychometrika. 2009, Vol 74, Num 1, pp 107-120, issn 0033-3123, 14 p.Article

Measuring the ability of transitive reasoning, using product and strategy informationBOUWMEESTER, Samantha; SIJTSMA, Klaas.Psychometrika. 2004, Vol 69, Num 1, pp 123-146, issn 0033-3123, 24 p.Article

The person response function as a tool in person-fit researchSIJTSMA, Klaas; MEIJER, Rob R.Psychometrika. 2001, Vol 66, Num 2, pp 191-207, issn 0033-3123Article

Bias of factor loadings from questionnaire data with imputed scoresBERNAARDS, Coen A; SIJTSMA, Klaas.Journal of statistical computation and simulation (Print). 2005, Vol 75, Num 1, pp 13-23, issn 0094-9655, 11 p.Article

Advice on total-score reliability issues in psychosomatic measurementSIJTSMA, Klaas; EMONS, Wilco H. M.Journal of psychosomatic research. 2011, Vol 70, Num 6, pp 565-572, issn 0022-3999, 8 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

On the consistency of individual classification using short scalesEMONS, Wilco H. M; SIJTSMA, Klaas; MEIJER, Rob R et al.Psychological methods. 2007, Vol 12, Num 1, pp 105-120, issn 1082-989X, 16 p.Article

Global, local, and graphical person-fit analysis using person-response functionsEMONS, Wilco H. M; SIJTSMA, Klaas; MEIJER, Rob R et al.Psychological methods. 2005, Vol 10, Num 1, pp 101-119, issn 1082-989X, 19 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

On measurement properties of continuation ratio modelsHEMKER, Bas T; ANDRIES VAN DER ARK, L; SIJTSMA, Klaas et al.Psychometrika. 2001, Vol 66, Num 4, pp 487-506, issn 0033-3123Article

Understanding Phoneme Segmentation Performance by Analyzing Abilities and Word PropertiesBOUWMEESTER, Samantha; VAN RIJEN, Elisabeth H. M; SIJTSMA, Klaas et al.European journal of psychological assessment. 2011, Vol 27, Num 2, pp 95-102, issn 1015-5759, 8 p.Article

TESTING MANIFEST MONOTONICITY USING ORDER-CONSTRAINED STATISTICAL INFERENCETIJMSTRA, Jesper; HESSEN, David J; VAN DER HEIJDEN, Peter G. M et al.Psychometrika. 2013, Vol 78, Num 1, pp 83-97, issn 0033-3123, 15 p.Article

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

Detection and Validation of Unscalable Item Score Patterns Using Item Response Theory : An Illustration with Harter's Self-Perception Profile for ChildrenMEIJER, Rob R; EGBERINK, Iris J. L; EMONS, Wilco H. M et al.Journal of personality assessment. 2008, Vol 90, Num 3, pp 227-238, issn 0022-3891, 12 p.Article

INVARIANT ORDERING OF ITEM-TOTAL REGRESSIONSTIJMSTRA, Jesper; HESSEN, David J; VAN DER HEIJDEN, Peter G. M et al.Psychometrika. 2011, Vol 76, Num 2, pp 217-227, issn 0033-3123, 11 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

Two-way imputation : A Bayesian method for estimating missing scores in tests and questionnaires, and an accurate approximationVAN GINKEL, Joost R; ANDRIES VAN DER ARK, L; SIJTSMA, Klaas et al.Computational statistics & data analysis. 2007, Vol 51, Num 8, pp 4013-4027, issn 0167-9473, 15 p.Article

IS THE NEGATIVE ASSOCIATION BETWEEN SELF-CONCEALMENT AND SUBJECTIVE WELL-BEING MEDIATED BY MOOD AWARENESS?WISMEIJER, Andreas A. J; VAN ASSEN, Marcel A. L. M; SIJTSMA, Klaas et al.Journal of social and clinical psychology. 2009, Vol 28, Num 6, pp 728-748, issn 0736-7236, 21 p.Article

A Comparative Study of the Dimensionality of the Self-Concealment Scale Using Principal Components Analysis and Mokken Scale AnalysisWISMEIJER, Andreas A. J; SIJTSMA, Klaas; VAN ASSEN, Marcel A. L. M et al.Journal of personality assessment. 2008, Vol 90, Num 4, pp 323-334, issn 0022-3891, 12 p.Article