Bogaert, Jasper, Wen Wei Loh, Beatrijs Moerkerke, Yves Rosseel, and Tom Loeys. “The Impact of Ignoring Random Slopes in a 1 → 1 → 1 Mediation Model in the Presence of Upper-Level Mediator-Outcome Confounding”. Methodology 21, no. 4 (December 18, 2025): Article e18093. Accessed May 22, 2026. https://meth.psychopen.eu/index.php/meth/article/view/18093.