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Table 1 One-way ANOVA for data distributed according to the two-way mixed-effects model (1).

From: Design effect in multicenter studies: gain or loss of power?

Source DF SS E(MS)
Group 2 - 1
Residual N - 2
Total N - 1  
  1. When data are distributed according to the mixed model (1) but analyzed by performing a one-way ANOVA – as if data were distributed according to model (4) – the expectation of the residual mean squares (denoted in the framework of model (4)) can actually be expressed as a function of and , the variance components associated to the true underlying statistical model (i.e. the mixed model (1)).