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Reporting Bayesian ANOVA post hoc tests

Hi,

I've running a series of Bayesian ANOVAs and have to run post hoc tests for some of the factors.

I'm a little confused with what and how I'm supposed to report the output from the post hoc table. Should I report the uncorrected BF10 or the posterior odds and how should I report these?

Would it be reasonable, for example, to say something like:

'Post hoc tests revealed very strong evidence for a difference between condition X and condition Y, BF10 = xyz.'

Can't seem to find much online in this regard so any help would be most appreciated.

Thanks!

Comments

  • Hi scd21,

    A useful thesis on the topic (by one of the members of the JASP team) is here: https://psyarxiv.com/s56mk

    I would report the entire table. The uncorrected BFs are just the regular t-tests; the penalty for conducting multiple tests comes in through the prior plausibility, so the t-test Bayes factor is corrected (multiplied) by a prior odds that depends on the number of tests.

    Cheers,

    E.J.

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