Dear Victor,
it's not possible to estimate effect size from the TFCE statistic. You could estimate the effect size from the T statistics. However, this would ignore the contribution from cluster size to the TFCE statistics and would only consider the height of the effect.
Best,
Christian
On Wed, 4 Mar 2020 15:54:31 +0200, Victor Vorobyev <[log in to unmask]> wrote:
>Dear experts,
>
>In our task fMRI study we used the TFCE method (Christian Gaser's TFCE
>toolbox for SPM12) to estimate activation differences between two
>groups. In our manuscript we reported cluster sizes, corrected p values,
>and TFCE values for peak coordinates of significant clusters. A reviewer
>asked to report also effect size.
>
>What could be a correct measure of effect size in case of TFCE-based
>estimation?
>
>Thank you!
>
>Victor
|