In an experimental study, men with erectile disorder received either Viagra or a placebo. In this study, the drug dosage (none versus peak
dose) was the
Select one:
O a confounding variable.
b. dependent variable.
c random sample.
d. independent variable.

Which type of health involves how people get along with others in their workplaces? physical mental and emotional social and consumer environmental which type of health is demonstrated when a person makes healthy food choices? spiritual environmental social and consumer physical which type of health is demonstrated when a person has satisfying relationships? social physical environmental spiritual