93 A test for cluster bias: Detecting violations of measurement invariance across clusters in multilevel data (Present by Xue-Lan on 13 March 2014)
Jak, S., Oort, F. J., Dolan, C. V. (2013). A test for cluster bias: Detecting violations of measurement invariance across clusters in multilevel data. Structural Equation Modeling: A multidisciplinary Journal, 20, 265-282.