Hi Jaret,

In the first level you'd model the waveform associated with the task.
Unless the treatment happened while the FMRI sequence was running, in
principle the treatment (pre/post) would be investigated at the second
level. So no variables should be used for pre or post at the first level.

All the best,


On 4 August 2017 at 18:30, Jaret Hodges <[log in to unmask]> wrote:

> I tried to do a second level analysis comparing two sets of scans.
> Unfortunately, it said that my .feat did not have any associated statistics
> with them.
> My design is as follows-
> 1. pre scan
> 2. treatment received
> 3. post scan
> The variable of interest is the contrast between pre and post scan.
> When I set up my first level, in my statistics set up, I included 1
> explanatory variable (pre or post). I selected the shape of empty.
> I believe what I should have done is select square and set the skip
> portion to zero (so that instead of having zero across all time points, it
> would be one across all time points)