$ANCOVA: R Squared and Partial Eta Squared$

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$ANCOVA: R Squared and Partial Eta Squared$

Why would the value of R Squared be the same value as the value of Partial Eta Squared in the attached table?

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Onionwing

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Matchmaticians ANCOVA: R Squared and Partial Eta Squared File #1

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Both metrics here are essentially measuring the same thing. The Partial Eta Squared value is a measure of the variance attributable to an effect, whereas the R Squared value is a measure of how completely the model fits the data, which is also the ratio of the explained variance to the unexplained variance in the data. Since the effect in question is the whole model, the Partial Eta Squared and R Squared are both a measure of the ratio of the variance attributable to the model to the total variance.

Erniemist

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$ANCOVA: R Squared and Partial Eta Squared$

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