On 4/11/2008, at 6:29 PM, Edna Bell wrote:
Dear R Gurus:
I vaguely remember reading that if interaction was present in a
factorial design, then the main effect results were suspect.
However, I was reading a text which now uses the tests for main
effects even if interaction is present.
Which
Dear R Gurus:
I vaguely remember reading that if interaction was present in a
factorial design, then the main effect results were suspect.
However, I was reading a text which now uses the tests for main
effects even if interaction is present.
Which is correct, please?
Thanks,
Edna Bell
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