"The direction seems right. It is easier to test the means between A and B while it is more cha challenging to test the heterogeneity variances between A and B. In principle it is a three level (nested structure) multivariate (effect sizes A and B)…"
I have a question about comparing heterogeneity of effect sizes between different effect sizes nested under collection sites. I'm working on a meta-analysis with data from 30 different collection sites. At each collection site, 4 different conditions were run, resulting in two different effect sizes (A and B) per collection site (different participants were run in each of the four conditions). This obviously creates a nested structure where you have effect sizes nested within collection site,…See More
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