The following formula is involved in the calculation of intraclass correlation values for an analysis of variance (ANOVA) study:
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Intraclass correlation for analysis of variance (ANOVA):

where MSbetween is the between-groups mean square, MSwithin is the within-groups mean square, and n is the number of subjects in each group.
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The following references can be used to cite this analysis of variance (anova) intraclass correlation calculator:
 | Soper, D.S. (2012) "Analysis of Variance (ANOVA) Intraclass Correlation Calculator (Online Software)", http://www.danielsoper.com/statcalc3. |
 | Scheffé, H. (1999) "The Analysis of Variance", New York: Wiley. |
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