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[Cyrusorc]

Hi,

I'm having a hard time with all the different type of anova test and I'm stuck on a particular question, where I think, there is many possible answer.

http://mathbin.net/35930

so basically depending on if you think if there are others interaction, and that you can't test them, you could do :

Model I two factor anova
Model II two factor anova
Model III two factor anova
or also
Nested anova
Split-plot test

Personaly, if I understand well, I would go with a Model II two factor nested anova, does it make sense? Or there is just one possible test for this particular situation?

Any help would be greatly appreciated, thank you