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Social Studies, 29.01.2022 04:50 haha81
In an experimental study, men with erectile dysfunction received either Viagra or a placebo. In this study, the drug dosage (none versus peak dose) was the
1) random sample.
2) dependent variable.
3) standard deviation.
4) independent variable.
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In an experimental study, men with erectile dysfunction received either Viagra or a placebo. In this...
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