[R-meta] Effect Size & Variance from ANOVA when data available

[Katharina Paul]

Dear all,

I have a question on how to calculate (Standardised) Effect Sizes and
Sampling Variance for the effects tested in an ANOVA (3x3, checking main
effects and interactions).

Unfortunately, I could not find any details on this (as most info was on
correlations or condition differences).

The good thing is that I have the single-subject data from the studies so I
could calculate everything I need (instead of estimating it) . The scale of
the data (and number of factors tested) is the same across them.
However I don't know what to calculate to run the Meta-Analysis and hope
you can help me out here!

I hope this question is appropriate,
Thanks so much,
Pia

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