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Title: Extraneous variation generally (Multiple Choice Question) Post by: Cremeux on Feb 25, 2015 Extraneous variation generally
A) reduces internal validity. B) enhances internal validity. C) has no effect on internal validity. D) affects internal validity only when there are more than two levels of the independent variable. Title: Re: Extraneous variation generally (Multiple Choice Question) Post by: stylez on Mar 3, 2015 Content hidden
Title: Re: Extraneous variation generally (Multiple Choice Question) Post by: Cremeux on Mar 7, 2015 Excellent, what I needed. Respect
Title: Re: Extraneous variation generally (Multiple Choice Question) Post by: stylez on Mar 7, 2015 Happy to help :)
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