Question

To control for the possible lurking variables when assigning subjects to the experiment's treatments, use: A....

To control for the possible lurking variables when assigning subjects to the experiment's treatments, use:

A. a placebo and double blinding.

B. blocking and randomization.

C. probability sampling and confounding.

D. explanatory and response variables.

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Answer #1

Answer: B. blocking and randomization.

Because without a blocking and randomization, a researcher will not know if the treatment worked or if a lurking variable affected the response variable. It is used to determine a treatment's effect on the response variable.

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