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Frontiers in Psychology|May 17, 2021
A Comparison of Penalized Maximum Likelihood Estimation and Markov Chain Monte Carlo Techniques for Estimating Confirmatory Factor Analysis Models With Small Sample SizesOliver Lüdtke, Esther Ulitzsch, Alexander RobitzschMultivariate Behavioral Research|March 16, 2022
A Bayesian Approach to Estimating Reciprocal Effects with the Bivariate STARTS ModelOliver Lüdtke, Alexander Robitzsch, Esther UlitzschPsychological Methods|December 20, 2021
Alleviating estimation problems in small sample structural equation modeling-A comparison of constrained maximum likelihood, Bayesian estimation, and fixed reliability approachesEsther Ulitzsch, Oliver Lüdtke, Alexander RobitzschPsychometrika|October 23, 2020
Maximum likelihood estimation of a social relations structural equation modelSteffen Nestler, Oliver Lüdtke, Alexander RobitzschPsychological Methods|August 4, 2022
Using synthetic data to improve the reproducibility of statistical results in psychological researchSimon Grund, Oliver Lüdtke, Alexander RobitzschBehavior Research Methods|March 2, 2026
Multiple imputation of multilevel data with single-level models: A fully conditional specification approach using adjusted group meansSimon Grund, Oliver Lüdtke, Alexander RobitzschThe British Journal of Mathematical and Statistical Psychology|May 15, 2025
A supervised learning approach to estimating IRT models in small samplesDmitry I Belov, Oliver Lüdtke, Esther UlitzschBehavior Research Methods|March 3, 2023
Accounting for careless and insufficient effort responding in large-scale survey data-development, evaluation, and application of a screen-time-based weighting procedureEsther Ulitzsch, Hyo Jeong Shin, Oliver LüdtkeBehavior Research Methods|May 24, 2021
Multiple imputation of missing data in multilevel models with the R package mdmb: a flexible sequential modeling approachSimon Grund, Oliver Lüdtke, Alexander RobitzschJournal of Personality and Social Psychology|February 5, 2019
Does personality become more stable with age? Disentangling state and trait effects for the big five across the life span using local structural equation modelingJenny Wagner, Oliver Lüdtke, Alexander RobitzschPageof 12