For GLM Flex, the scans should be grouped by subject, not condition.
A quick check is always to look at the design matrix to see that it
matches the order that you entered.
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 Thu, May 16, 2013 at 2:40 PM, Jon Brock <[log in to unmask]> wrote:
> HI,
> I would like to check the order of inputs for a paired sample t-test implemented within GLM Flex (in this case not using the wrapper script).
> Sould I enter ALL subjects for scan1 followed by the same subjects scan2 e.g.
>
> Subject_1_Scan_1
> Subject_2_Scan_1
> Subject_3_Scan_1......
>
> Subject_1_Scan_2
> Subject_2_Scan_2
> Subject_3_Scan_2.....
>
> Many thanks,
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