multilevel twin analysis

Posted on
No user picture. valentinav Joined: 06/15/2020
Hi everyone,
Participants of my study completed a 40 trials decision-making task.
The issue is that I do not have access to many twins, so I would like to increase the power of my study considering trial level data, instead of the mean of all trials of each subject.

I saw a recently published paper: chrome-extension://dagcmkpagjlhakfdhnbomgmjdpkdklff/enhanced-reader.html?openApp&pdf=https%3A%2F%2Fwww.tandfonline.com%2Fdoi%2Fpdf%2F10.1080%2F10705511.2021.1937177%3FneedAccess%3Dtrue, which apparently does a similar thing, however I am not able to find a script.

Do you have any idea about how to implement a similar model?
My main issue is that using the method found in this tutoral: http://www.people.vcu.edu/~bverhulst/power/power.html I discovered that I do not have a high power and I am not able to collect any more twin data.
Is there any way to calculate power considering that I actually have 40 data points for each participant?

Thank you very much for your help!
Best