question archive You've developed a new anxiety reduction treatment
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You've developed a new anxiety reduction treatment. Your study design is to separate men from women into two groups, randomly divide each group in half, and then give one half the medication and one half a placebo. The basic design of this study is: A. comparative randomized, blocked by gender. O B. completely randomized. C. randomized, blocked by gender and type of medication. D. randomized and stratified. E. None of the above.