one sided or two sided testing
Eric Maris
e.maris at DONDERS.RU.NL
Fri Oct 8 16:14:43 CEST 2010
Dear Emanuel,
> If you have prior knowledge that the ERP is to be expected to be lower
> in one
> group as compared to the other group of subjects is it then allowed to
> only
> test the positive T-sum clusters (alpha 0.05) and neglect the negative
> clusters?
Yes, this is allowed. Such a procedure controls the false alarm rate at
0.05.
Best,
Eric Maris
>
> Thank you in advance,
> Best, Emanuel
>
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See also http://listserv.surfnet.nl/archives/fieldtrip.html
and http://www.ru.nl/neuroimaging/fieldtrip.
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