Hi,
I've got one group (N=25) with 2 within-subject factors with 2 levels each (2X2). If I use a flexible factorial design, will I be able to test for the interaction and two main effects? What would be the advantage of the flexible factorial design over a full factorial design in this situation? Is it that the flexible factorial design used pooled errors and increases the degree of freedom (factors in the within-subject variance)?
Thanks for your help,
Geneviève
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