Dear SPMers,
I would like to know your opinion on the following.
If one needs to do an fMRI study, but has got limited time, from a
statistical point of view which is the best choice:
performing a shorter task (less block cycles, leading to a shorter total
acquisition time) twice,
or performing a longer task (more block cycles, leading to a longest total
acquisition time) only once?
Many thanks,
Laura
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