Dear all,

Can someone advise me on the following stats. I have a behavioural data set consisting of 7 variables one factor. I ran two MANOVAs on the data set addressing two different questions. I need to adjust the p values of the seven univariate tests within each MANOVA for the Bonferroni correction. However, some of the variables are correlated.

Two questions: How do I determine the appropriate adjustment for the Bonferroni correction on correlated variables, and because I ran a MANOVA on the same data twice, do I need to adjust the P value for each test according to the combined number of univariate tests, i.e. 2 sets of 7 tests = 14, or for each set of 7 univariate tests in turn.

Any advise will be most welcome.

Damian Lidgard
[EMAIL PROTECTED]



Damian C. Lidgard

Current address:
Laboratoire de Biologie et Environnement Marins
Institut de la mer et du littoral
Avenue du Lazaret
Port des Minimes
La Rochelle 17000
FRANCE


tel: +5 46 50 02 94 fax: 05 46 44 99 45

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