There is no analysis that you can do to test whether two things are
the same or not, you can only test if two things are different. The
absence of significant difference does not mean two things are the
same.
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, Aug 22, 2012 at 3:31 AM, SUBSCRIBE SPM Bianca
<[log in to unmask]> wrote:
> Hi,
>
> This probably is a very simple question, but it would be great to get some help with it since I can't figure out how to do it.
>
> I would like to create a flexible factorial design to examine whether whole brain activation patterns are stable over time. We have collected data of 18 adolescents on three measurements.
> I know that I need to use the flexible factorial design and I am able to set it up (two factors, one for subjects and one for time). However, I have some trouble with entering the matrix when I have selected all imgaing data.
>
> The matrix should have four collumns and 54 rows (3*18 participants) but I don't no how to enter the collumns in SPM5.
> I tried different things but each time I only get a row of numbers and no collumns. Can someone please let me know how to do this? Probably there is a symbol I need to use to indicate the different collumns.
>
> Thanks!
>
> Bianca
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