Hi rujing

that can be tough. If all your group1 are on one scanner and all group2 are on the other how can you tell the difference between a group effect and a site effect? At the very least you should scan some people on both scanners.

cheers
Bruce



On Wed, 31 Aug 2016, charujing123 wrote:

Hi all
I collected two groups:  each participant in group A collected from site 1;
Part of group B collected from site 1 and part of group B collected from
site 2. Can I compare the cortical thickness between these two groups
directly?
thanks.
rujing
 
2016-08-31

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