What method of data collection would you use to collect data for a study where a drug was given to 40 patients and a placebo to another group of 40 patients to determine if the drug has an effect on a patient's illness?
A) survey
B) designed experiment
C) observational study
D) published source

Question

Quizplus · Accepted Answer

A designed experiment is used to determine the effect of a treatment, such as a drug, by comparing outcomes between a treatment group and a control group (placebo).

What Method of Data Collection Would You Use to Collect