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Subject:
Re: 回复:Re: [SPM] 回复:Re: [SPM] Double Dipping in ROI Definition?
From:
"H. Nebl" <[log in to unmask]>
Reply-To:
H. Nebl
Date:
Mon, 3 Jun 2013 12:02:26 +0100
Content-Type:
text/plain
Parts/Attachments:
text/plain (10 lines)
Dear Ce, F-test and t-test are testing for different aspects. Thus it can be that some significant voxels show up in an F-contrast, and subsequent post-hoc t-tests are not significant. But this is not limited to fMRI data analysis. Best, Helmut
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