statistics
posted by Ethel .
A researcher reports an Fratio with df= 2, 12 for a repeated measures of ANOVA.
How many treatment conditions were compared in the study?

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Ethel
One advantage of the repeated measures ANOVA is that it eliminates "individual differences" as a source of variability. Explain why there are no individual differences in the numerator and in the denominator of the F ratio.
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