one sided or two sided testing

[Eric Maris]

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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You are receiving this message because you are subscribed to
the  FieldTrip list. The aim of this list is to facilitate the discussion
between  users of the FieldTrip  toolbox, to share experiences
and to discuss  new ideas for MEG and EEG analysis.
See also http://listserv.surfnet.nl/archives/fieldtrip.html
and http://www.ru.nl/neuroimaging/fieldtrip.
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