Robustness of parameter and standard error estimates against ignoring a contextual effect of a subject-level covariate in cluster-randomized trials

Behavior Research Methods (2011) - Comment
pubmed: 21512874 doi: 10.3758/s13428-011-0094-8 issn: 1554-3528

Elly J. H. Korendijk, Joop J. Hox, Mirjam Moerbeek, Cora J. M. Maas