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Biology 12 Online
OpenStudy (anonymous):

Please Help, Will Give Medal! "Which experimental design decision would most likely produce invalid and unreliable results?"

OpenStudy (anonymous):

(a)having more than one controlled variable (b)having only one control group (c)having more than one independent variable (d)having only one experimental group

OpenStudy (anonymous):

I believe it is A due to the fact that you'd be attempting to compare results to more than one thing

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