[FieldTrip] Cluster-based permutation tests for between-subject design

[Stephen Politzer-Ahles]

Hi Eric,

Thank you very much, this is what I had in mind!

Best,
Steve


>
>
> Message: 1
> Date: Mon, 29 Sep 2014 21:12:33 +0200 (CEST)
> From: "Eric Maris" <e.maris at psych.ru.nl>
> To: "'FieldTrip discussion list'" <fieldtrip at science.ru.nl>
> Subject: Re: [FieldTrip] Cluster-based permutation tests for
>         between-subject design
> Message-ID: <006b01cfdc19$4dfccce0$e9f666a0$@maris at psych.ru.nl>
> Content-Type: text/plain; charset="utf-8"
>
> Hi Steve,
>
>
>
> Have a look here:
>
http://fieldtrip.fcdonders.nl/faq/how_can_i_test_an_interaction_effect_using_cluster-based_permutation_tests
>
>
>
> Best,
>
>
>
> Eric Maris
>
>
>
> From: Stephen Politzer-Ahles [mailto:spa268 at nyu.edu]
> Sent: woensdag 24 september 2014 11:18
> To: fieldtrip at science.ru.nl
> Subject: Re: [FieldTrip] Cluster-based permutation tests for
between-subject
> design
>
>
>
> Hi Eelke,
>
>
>
> Thanks for this information. I just wanted to jump in and ask: what about
> for interactions in a mixed 2x2 design? For example, say I expect a
> difference between conditions A and B for group 1, but not group 2. Would
> the correct way to do this be to
>
>
>
> 1) make difference waves (A-B) for each participant, then
>
> 2) do a between-UO test on the difference waves using indepsamplesT?
>
>
>
> In the past I have always tested within-UO interactions using basically
this
> method (based on
> http://mailman.science.ru.nl/pipermail/fieldtrip/2011-January/003447.html
),
> but I was under the impression that this is not OK for mixed designs (from
> this post:
>
http://mailman.science.ru.nl/pipermail/fieldtrip/2011-September/004244.html)
>
>
>
> Thanks,
>
> Steve
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