Hello SPMers
I have two groups, control and patient, each subject has a psych score.
I have run a within group , simple correlation analysis(basic models) using the
psych score as the covariate.
Now, I would like to compare the two groups in a correlation analysis with
psych score. (control>patient, patient>control
Can anyone explain to me how I would go about doing this?
thanks for you time,
Maria
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