Is the study observational or experimental
-A clinic gives a drug to a group of ten patients and a placebo to another group of ten patients to find out if the drug has an effect on the patients' illness.
A) Observational
B) Experimental

Question

Is the study observational or experimental
-A clinic gives a drug to a group of ten patients and a placebo to another group of ten patients to find out if the drug has an effect on the patients' illness.
A) Observational  
B) Experimental

Quizplus · Accepted Answer

The study is experimental because the researchers are actively manipulating the independent variable (the drug) to see how it affects the dependent variable (the patients' illness).

Is the Study Observational or Experimental