y can. If one group had all one scan type and another all a
> different one then you wouldn't be able to tell if the effects you find are
> due to the group membership or the scan differences.
>
> cheers,
> Bruce
>
>
> On Tue, 6 Oct 2009, James Root wrote:
>
> I
I am planning an analysis using freesurfer to compare 2 groups. The SPGRs
that will be used vary in regard to slice thickness (from 0.86 to 1.5 in
each axis), number of slices acquired (100-256), and orientation (axial;
coronal) due to the fact that these were collected over a number of years on
t
