1.
Langenberg B, Helm JL, Günther T, Mayer A. Understanding, Testing, and Relaxing Sphericity of Repeated Measures ANOVA with Manifest and Latent Variables Using SEM. METH [Internet]. 2023Mar.31 [cited 2024May4];19(1):60-5. Available from: https://meth.psychopen.eu/index.php/meth/article/view/8415