Hello all,
The ABI I would like to use in my learning experiment is a measure of trial difficulty. As would be expected, participants improve with practice.
Is it ok for the ABI to correlate with trial order? In my case, the nature/strength of the correlation is not very clear, but let's just say that the correlation is strong.
I have not explicitly coded "trial order" as a regressor, but maybe the baseline coefficients are close enough. I'm using "-polort A", with 6 runs of data. AFNI does not complain during the AM2 analysis and the results look fine.
Any thoughts on where I may run into trouble?
Many thanks,
Antonio
