Dear Experts,
I'm new to spm5 and I try to set a flexible factorial design (I use Specify
Subjects mode). I have a within subject design: A(a1,a2)xB(b1,b2).
I define the first factor "subject", the second factor A, the third factor
B. For all factors I set No for Indipendence and Unequal for Variance. After
I specify four images (one for condition) obtained at the 1st level as scans
for each subject.
Now my questions are:
Shall I define also the factor "repl" before defining the factor "subject"
or they are the same (I think that replications are my subjects)?
What Do I type to define Conditions? I type 1 2 3 4 for each subject but
when I run I get "Error running job: Index exceeds matrix dimensions".
Many thanks in advance.
Federico.
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