yes, that is correct
doug

On 9/6/13 5:48 PM, Yang, Daniel wrote:

Hi FreeSurfer experts,

Let's say I have two class variables:

Sex (female, male)

Dx (patient, control)

I see that the analysis results show the following:

Does the average thickness, accounting for Dx, diff between female and male?  Red means: female > male

Does the average thickness, accounting for Sex, diff between patient and control?   Red means: patient > control

Is there a Sex-Dx interaction in the mean thickness?  Red means either (a) the female > male effect is stronger in patient (vs. control); or (b) the patient > control effect is stronger in female (vs. male)

Is my interpretation correct?

Thanks!

Daniel

-- 

Yung-Jui "Daniel" Yang, PhD

Postdoctoral Researcher

Yale Child Study Center

New Haven, CT

(203) 737-5454

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