Hi Colin,
Thank you for your help.
The reason I asked was because I had read this post in the mailing list (https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=ind1505&L=spm&P=R10352&1=spm&9=A&J=on&d=No+Match%3BMatch%3BMatches&z=4), in which Donald advises weighting in some cases, and I was wondering if it applied to my specific case. But you are saying that weighting is not necessary for the type of contrasts I'm doing so I can simply define them as [1 0 0 0] for taskA-conditionA, [0 1 0 0] for taskA-conditionB, and so on. Is that right?
Thanks.
Best regards,
Michael
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