dear list.
i read the discussion in the list about the 2x2 ANOVA with great interest,
because i like to setup a similiar design. so i followed the procedure of
darren and matt for the flexible factorial design setup.
i designed 3 factors (subject (2xn), group (2 groups), condition (2
conditions) /independence yes, yes, no / variance equal, unequal, unequal).
specified the design by subject. for each subject of my group 1 the
condition matrix is [1 1;1 2], for each subject of my group 2 [2 1;2 2].
There is a main effect of subject (factor number 1) and an interaction of
group x condition (factor numbers 2 3).
This produces a design very similiar to the ones of darren and matt. i got
n columns for my n participants, each with 2 rows. Now the difference and
my problem:
i got only 3 columns of group x condition instead of my expected 4. these
are column 1 (group1 x condition2), column 2 (group1 x condition2), and
column 3 (group2 x condition2). the lacking column (group2 x condition1)
seems to be mixed into column 2 (see attached file).
does anybody know what my mistake is?
thanks markus
|