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Direct linkKara, Yusuf; Kamata, Akihito – Journal of Experimental Education, 2022
Within-cluster variance homogeneity is one of the key assumptions of multilevel models; however, assuming a constant (i.e. equal) within-cluster variance may not be realistic. Moreover, existent within-cluster variance heterogeneity should be regarded as a source of additional information rather than a violation of a model assumption. This study…
Descriptors: Bayesian Statistics, Hierarchical Linear Modeling, Item Response Theory, Multivariate Analysis
