Identify the study as an observational study or a designed experiment.
-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)Designed experiment
B)Observational study

Question

Identify the study as an observational study or a designed experiment.
-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)Designed experiment
B)Observational study

Quizplus · Accepted Answer

This is a designed experiment because the clinic actively intervenes by giving a drug to one group and a placebo to another to observe the effects, rather than just observing outcomes without intervention.

Identify the Study as an Observational Study or a Designed