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Title: What is an effective way to control extraneous variables? Post by: TimDavis36 on Feb 3, 2018 What is an effective way to control extraneous variables?
a. Research purpose b. Experimental treatment c. Informed consent d. Randomization Title: What is an effective way to control extraneous variables? Post by: canelo on Feb 3, 2018 d. Randomization
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