mercoledì 17 aprile 2013

A PROBLEM OF NOMENCLATURE


It is possible that the term: "REPEATED MEASURES ANOVA" is not familiar to all the people. In some statistical programs and texts, it is called "TWO WAY ANOVA", creating a confusion of terms. Classically, two way ANOVA is not intended as a test for repeated measures. It is a typical independent ANOVA with two fixed factors despite of one.  It implies the main effect of each factor, and an interaction term (see for example  http://www.statisticshell.com/docs/twoway.pdf).  In my opinion, it is better to leave the two tests separated and to clearly indicate when repeated measures are used.

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