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Hi,

Sure, if your EVs are set up correctly then these contrasts are appropriate.

Cheers,

Janine


On Sun, Jun 23, 2019 at 1:21 AM Helka Ozelo <[log in to unmask]> wrote:

> Dear SPM experts,
>
> If I have 4 groups (A, B, C and D) and I want to compare them two-by-two,
> can I run dual regression analysis using a unpaired ttest with the
> following design:?
>
>             A    B    C    D
> A>B:    1   -1     0    0
> A>C     1    0    -1    0
> A>D     1    0     0   -1
> B>C     0    1    -1    0
>
> Thank you!
>
> Helka
>
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-- 
Janine Bijsterbosch
Assistant Professor of Radiology
Washington University in St Louis
Radiology East Building (office #3348)
4525 Scott Avenue, Campus Box 8225
My Pronouns: she/her or they
[log in to unmask]
Website: https://sites.wustl.edu/personomics/

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