2 March 2026, by Marcella Dudley

A new article by Simon Grund, Oliver Lüdtke, and Alexander Robitzsch has been published in Behavior Research Methods.

In their article, Simon and his co-authors evaluate alternative methods for multiple imputation of missing values in multilevel data, which are based on simplified models with group means and aim to produce more stable results in challenging scenarios.

Preprint: https://osf.io/x5fq9
OSF: https://osf.io/mpfzu

Grund, S., Lüdtke, O., & Robitzsch, A. (2026). Multiple imputation of multilevel data with single-level models: A fully conditional specification approach using adjusted group means. Behavior Research Methods, 58(3), 76. https://doi.org/10.3758/s13428-025-02915-9