1.
Baek E, Ferron JJM. Modeling Heterogeneity of the Level-1 Error Covariance Matrix in Multilevel Models for Single-Case Data. METH [Internet]. 2020Jun.18 [cited 2020Aug.11];16(2):166-85. Available from: https://meth.psychopen.eu/index.php/meth/article/view/2817