Dear Jeanette,
After running my second design matrix I've got more or less the same widespread results with C1 contrast as after first design.
But the interesting thing is that after running third design with SPRS scores I've got nothing with C1 contrast (as well as with other contrasts).
My explanation is this: I did not get any results after controlling for age, gender and SPRS, as my C1 contrast (1-1 0 0 0) means that in this case, right? But if so, why I didn't get any results with C3 or C4 contrasts?
Thanks a lot for your help
Gayane
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