Interuniversity
Graduate School of
Psychometrics and
Sociometrics

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Leiden University

Hickendorff, Marian: Mathematical proficiency in primary education: Cognitive processes and predictability.
Polak, Marike: Item analysis of unipolar item response data.
Rippe, Ralph: Nonlinear modeling with high volume data sets from systems biology.

University of Amsterdam

Bakker, Marjan: Expectancy effects on the analysis of behavioral research data.
Cramer, Angélique: Causal networks for psychological measurement.
Jak, Suzanne: Bias in the measurement of child attributes in educational research: Measurement bias in multilevel data.
Kan, Kees-Jan: Testing the mutualism model of general intelligence.
Kievit, Rogier: Statistical models for reductive theories.
King Kallimanis, Bellinda: Unbiased measurement of health-related quality-of-life.
Molenaar, Dylan: Statistical modeling of (cognitive) ability differentiation.
Ravenzwaaij, Don van: Modeling the relation between speed and accuracy.
Straatemeier, Marthe: A complexity appraoch to cognitive learning in young children: Fundamental and applied aspects Project financed by NWO.
Weeda, Wouter: EEG/MEG components: A new statistical approach to analyze their (co)variance properties.
Wetzels, Ruud: Bayesian hypothesis testing hierarchical models: A PhD proposal for the innovation of psychological methods.
Zand Scholten, Annemarie: Admissable statistics and latent variable theory.

Holt, Janke ten: A comparison between factor analysis and item response theory modeling in scale construction.
Tendeiro, Jorge: Uniqueness, rank, and simplicity of three-way arrays with symmetric slices.

Glasner, Tina: Reconstructing event histories in standardized survey research: Cognitive mechanisms and aided recall techniques.

Avetisyan, Marianna: A Bayesian approach for handling response bias and incomplete data.
Geerlings, Hanneke: Linear logistic test models for rule-based item generation.
Jehangir, Khurrem: The use of item response theory for scaling in educational surveys.
Verhagen, Josine: Bayesian modeling of heterogeneity for large scale comparative research.

Conijn, Judith: Person-misfit in item response models explained by means of nonparametric and multilevel logistic regression models.
Kieruj, Natalia: Question format and response style behaviour in attitude research.
Kruyen, Peter: Minimal requirements of the reliability of tests and questionnaire.
Morren, Meike: Bias and equivalence in cross-cultural survey research: An analysis of instrument comparability in the SPVA survey.
Oberski, Daniel: Prediction of the quality of survey questions in cross cultural research.
Straat, Hendrik: Higher measurement quality of tests and questionnaires by means of more powerful statistics.
Zijlstra, Wobbe: Detection of out liers in test, questionnaire and survey data.

Hattum, Pascal van: Market segmentation using Bayesian model based clustering.
Jozwiak, Kasia: Improving statistical power in studies on event occurrence by using an optimal design.
Korendijk, Elly: Robustness issues for cluster randomised trials.
Kuiper, Rebecca: Chained equations.
Lugtig, Peter: Tailoring to the MAX: Using new IC technology to increase data quality and efficiency in panel surveys.
Mulder, Joris: Inequality constrainted models for the multivariate normal mean: A Bayesian approach.
Peeters, Carel: Inequality constrained Bayesian models for the multivariate normal covariance matrix.
Tijmstra, Jesper: Constant latent odds-ratios models for the analysis of discrete psychological data.
Wesel, Floryt van: Model selection.

Giesen, Deirdre: Response burden and measurement error in business survey data collection.

Ligtvoet, Rudy: Models and methods for invariant item ordering.
Lukociene, Olga: Performance of latent class analysis based random coefficient models.
Moerman, Gerben: Interview-strategies in open interviews.
Schoot, Rens van de: Learning more from emperical data using prior knowledge.

Cobben, Fannie: Adjustment for nonresponse bias in household surveys.
Depril, Dirk: Additive clustering for two-mode data.
Feskens, Remco: Identification of non-response in groups that are difficult to study and the development of tailor-made non-response reduction strategies.
Hoekstra, Rink: Multiple classification latent class models.
Khalid, Naveed: Searching for fit to IRT models in complex data.
Klein Entink, Rinke: Simultaneous modeling of response times and responses on test items.
Oravecz, Zita: Modeling core affect trajectories with diffusion models.
Ortega Azurdy, Shirley: Powerful and robust designs for longitudinal multilevel studies .
Schmittmann, Verena: Analysis of qualitatively different learning forms by testing multi-modality and other catastrofe flags.
Vandekerckhove, Joachim: The development and application of diffusion models.
Weekers, Anke: The use of item response theory in personality assessment.

Braeken, Johan: Modeling residual dependencies in item response models.
Cruyff, Maarten: Measurement and prediction in culturally heterogeneous population.
Maij-De Meij, Annette: Measurement and prediction in culturally heterogeneous population.
Ploeger, Annemie: Developmental psychology and evolutionay theory.
Schepers, Jan: Real-valued HICLAS models.
Van Rijn, Peter: Ergodicity: the relationship between intra- and interindividual variation.
Warrens, Matthijs: Ordering properties of homogeneity analysis, when applied to data from IRT models.
Zijlstra, Bonne: Models for the analysis of social networks with multiple sources of variation.

Balázs, Katalin: Detecting heterogeneity in logistic regression models.
Carabain, Christine: Survey research on ethnic attitudes: A comparison between open and closed.
Ginkel, Joost van: Handling missing scores and outliers in test and questionnaire data.
González, Jorge: Random effect approaches of individual differences in complex models for categorical data.
Hidegkuti, István: Categories and dimensions.
Linting, Mariëlle: Nonparametric inference in multivariate categorical data analysis.
Stuive, Ilse: The multiple group method of confirmatory factor analysis for test construction.
van der Kooij, Anita: Constrained regression models.
Wicherts, Jelte: Application and development of multi-group means and covariance structure modeling of the Flynn effect.

Frank, Laurence: Stability of feature network modeling of proximity da.
Hol, Michiel: Efficiency and administration invariance of computer adaptive computerized and paper-and-pencil testing using Likert item questionnaires.
Laudy, Olav: Translation of theories into statistical models using inequality constrained loglinear/ latent class models.