Dear list,
I've used FIRST to segment the basal ganglia. I'd like to compare three groups (n=60, n=32, n=32) and adjust for age and gender. I've gone through the GLM general advice page and believe the 1-factor-3-level (between subjects) ANOVA with factor effects model appears appropriate. Since models is set up slightly "different" in FIRST and couldn't find any postings regarding 3-grp comparisons (using FIRST) on the list, I'm wondering someone could please confirm that this is the appropriate design.
Thanks,
Benny
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