Researchers are conducting a study to test the effectiveness

Last updated: 10/13/2023

Researchers are conducting a study to test the effectiveness of a new medication Subjects are randomly divided into two groups the first group is given the medication and the second group is given a placebo Researchers observe the subjects for two months after which subjects are asked to answer a questionnaire about their response to the drug and any potential side effects that they may have had This is an example of A an experiment B C D a sample survey an observational study a random phenomenon