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Hi List,

a dimple question about using partial correlation (pcc.mgh) as effect 
size measure. I am running multivariate regression and setting positive 
and negative contrasts one variable at a time, e.g. a design matrix with 
columns like

Intercept     Age     Gender     Fact1     Fact2 ....

and a bunch of contrasts like

0                   0          0                1            0

0                   0          0                -1            0

Now let's say the second contrast gives me a significant results after 
MC correction in a certain cluster, what sign should i expect in PCC in 
that cluster (on average)?

Thank you very much in advance,

Nicola


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