AFNI Message Board

Dear AFNI users-

We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:

https://discuss.afni.nimh.nih.gov

Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.

The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.

Sincerely, AFNI HQ

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gang
July 05, 2022 04:49PM
> I mainly looked at the result of [-gltCode Int-Ctlr_over_Time 'Group : 1*Intervention -1*Control Time :']
> - when I get a significant result there, can I call it a significant 'interaction effect'?

Yes, the chi-square value provides the assessment for the statistical evidence of the interaction between Group Time.

> What is the difference to the result of Time:Group Chi-sq, which is slightly different to the other one (just
> below the cluster threshold suggested by 3dClustSim)?

Do you mean "-gltCode Int-Ctlr_over_Time 'Group : 1*Intervention -1*Control Time :' "? If so, the two essentially intend to achieve the same goal. The slight difference is due to two different ways to assess the statistical evidence.

Gang



Edited 1 time(s). Last edit at 07/07/2022 07:01AM by Gang.
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3dlmer correct words for reporting results main effects and contrasts

AFNIuser007 July 04, 2022 09:35AM

Re: 3dlmer correct words for reporting results main effects and contrasts

gang July 05, 2022 04:49PM

Re: 3dlmer correct words for reporting results main effects and contrasts

AFNIuser007 July 07, 2022 03:35PM

Re: 3dlmer correct words for reporting results main effects and contrasts

gang July 11, 2022 10:12AM

Re: 3dlmer correct words for reporting results main effects and contrasts

AFNIuser007 July 12, 2022 06:53AM

Re: 3dlmer correct words for reporting results main effects and contrasts

AFNIuser007 August 23, 2022 11:45AM

Re: 3dlmer correct words for reporting results main effects and contrasts

gang August 24, 2022 01:58PM

Re: 3dlmer correct words for reporting results main effects and contrasts

AFNIuser007 August 24, 2022 08:24PM

Re: 3dlmer correct words for reporting results main effects and contrasts

gang August 25, 2022 07:10AM