Publications by authors named "Alexander Robitzsch"

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An Optimally Regularized Estimator of Multilevel Latent Variable Models, with Improved MSE Performance.
Valerii Dashuk, Martin Hecht, Oliver Lüdtke, Alexander Robitzsch, Steffen Zitzmann

Psychometrika· September 2025

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Multiple imputation of missing data in large studies with many variables: A fully conditional specification approach using partial least squares.
Simon Grund, Oliver Lüdtke, Alexander Robitzsch

Psychol Methods· September 2024

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Using synthetic data to improve the reproducibility of statistical results in psychological research.
Simon Grund, Oliver Lüdtke, Alexander Robitzsch

Psychol Methods· August 2024

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Pooling methods for likelihood ratio tests in multiply imputed data sets.
Simon Grund, Oliver Lüdtke, Alexander Robitzsch

Psychol Methods· October 2023

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To Check or Not to Check? A Comment on the Contemporary Psychometrics (ConPsy) Checklist for the Analysis of Questionnaire Items.
Alexander Robitzsch

Eur J Investig Health Psychol Educ· October 2023

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Estimating Local Structural Equation Models.
Alexander Robitzsch

J Intell· September 2023

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Alleviating estimation problems in small sample structural equation modeling-A comparison of constrained maximum likelihood, Bayesian estimation, and fixed reliability approaches.
Esther Ulitzsch, Oliver Lüdtke, Alexander Robitzsch

Psychol Methods· June 2023

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A Bayesian Approach to Estimating Reciprocal Effects with the Bivariate STARTS Model.
Oliver Lüdtke, Alexander Robitzsch, Esther Ulitzsch

Multivariate Behav Res· June 2023

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Causal Inference with Multilevel Data: A Comparison of Different Propensity Score Weighting Approaches.
Alvaro Fuentes, Oliver Lüdtke, Alexander Robitzsch

Multivariate Behav Res· December 2022

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Exploring the Multiverse of Analytical Decisions in Scaling Educational Large-Scale Assessment Data: A Specification Curve Analysis for PISA 2018 Mathematics Data.
Alexander Robitzsch

Eur J Investig Health Psychol Educ· July 2022

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On the Choice of the Item Response Model for Scaling PISA Data: Model Selection Based on Information Criteria and Quantifying Model Uncertainty.
Alexander Robitzsch

Entropy (Basel)· May 2022

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Multiple imputation of missing data in multilevel models with the R package mdmb: a flexible sequential modeling approach.
Simon Grund, Oliver Lüdtke, Alexander Robitzsch

Behav Res Methods· December 2021

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On the Treatment of Missing Item Responses in Educational Large-Scale Assessment Data: An Illustrative Simulation Study and a Case Study Using PISA 2018 Mathematics Data.
Alexander Robitzsch

Eur J Investig Health Psychol Educ· December 2021

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Erratum to: Maximum Likelihood Estimation of a Social Relations Structural Equation Model.
Steffen Nestler, Oliver Lüdtke, Alexander Robitzsch

Psychometrika· September 2021

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A semiparametric approach for item response function estimation to detect item misfit.
Carmen Köhler, Alexander Robitzsch, Katharina Fährmann, Matthias von Davier, Johannes Hartig

Br J Math Stat Psychol· July 2021

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A Comparison of Penalized Maximum Likelihood Estimation and Markov Chain Monte Carlo Techniques for Estimating Confirmatory Factor Analysis Models With Small Sample Sizes.
Oliver Lüdtke, Esther Ulitzsch, Alexander Robitzsch

Front Psychol· April 2021

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Analysis of Interactions and Nonlinear Effects with Missing Data: A Factored Regression Modeling Approach Using Maximum Likelihood Estimation.
Oliver Lüdtke, Alexander Robitzsch, Stephen G West

Multivariate Behav Res· January 2021

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Maximum likelihood estimation of a social relations structural equation model.
Steffen Nestler, Oliver Lüdtke, Alexander Robitzsch

Psychometrika· December 2020

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Regularized Latent Class Analysis for Polytomous Item Responses: An Application to SPM-LS Data.
Alexander Robitzsch

J Intell· August 2020

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Reanalysis of the German PISA Data: A Comparison of Different Approaches for Trend Estimation With a Particular Emphasis on Mode Effects.
Alexander Robitzsch, Oliver Lüdtke, Frank Goldhammer, Ulf Kroehne, Olaf Köller

Front Psychol· May 2020

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Regression models involving nonlinear effects with missing data: A sequential modeling approach using Bayesian estimation.
Oliver Lüdtke, Alexander Robitzsch, Stephen G West

Psychol Methods· April 2020

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Does personality become more stable with age? Disentangling state and trait effects for the big five across the life span using local structural equation modeling.
Jenny Wagner, Oliver Lüdtke, Alexander Robitzsch

J Pers Soc Psychol· April 2019

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More stable estimation of the STARTS model: A Bayesian approach using Markov chain Monte Carlo techniques.
Oliver Lüdtke, Alexander Robitzsch, Jenny Wagner

Psychol Methods· September 2018

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Integrating Covariates into Social Relations Models: A Plausible Values Approach for Handling Measurement Error in Perceiver and Target Effects.
Oliver Lüdtke, Alexander Robitzsch, Ulrich Trautwein

Multivariate Behav Res· August 2018

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Self-esteem development in the school context: The roles of intrapersonal and interpersonal social predictors.
Jenny Wagner, Oliver Lüdtke, Alexander Robitzsch, Richard Göllner, Ulrich Trautwein

J Pers· June 2018

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