Flexible factorial so you can include the subject factor in the model.
Best Regards, Donald McLaren
=================
D.G. McLaren, Ph.D.
Research Fellow, Department of Neurology, Massachusetts General Hospital and
Harvard Medical School
Postdoctoral Research Fellow, GRECC, Bedford VA
Website: http://www.martinos.org/~mclaren
Office: (773) 406-2464
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On Wed, Dec 12, 2012 at 12:17 PM, Li, Christopher (NIH/NIMH) [F]
<[log in to unmask]> wrote:
> Hi all,
>
>
>
> I work in a double-blind, placebo-controlled drug study. I had previously
> been taught to use a Full Factorial with “DRUG” as a Factor, marked “No” for
> Independence since the same subject is coming in for both placebo and drug
> days for fMRI scanning. However, recently I was told I would need to use a
> Flexible Factorial to do a proper repeated measures analysis on fMRI
> contrasts.
>
>
>
> I wanted to see what other people use to perform repeated measures analysis
> for a drug study. I would really appreciate anyone’s help on this issue!
>
>
>
> Thanks,
>
>
>
> Chris
>
>
>
>
>
> ________________________________
>
> Christopher J. Li
>
> Post-baccalaureate Research Fellow
>
> Neuroimaging Core
>
> Genes, Cognition, and Psychosis Program
>
> National Institute of Mental Health, NIH
>
> Bldg 10, 3C213
>
> 301-496-9253 (office)
>
> 301-451-4269 (fax)
>
> ________________________________
>
>
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