Which of the following is a vital part of randomized experimental studies?
A) using a placebo
B) All of the answers are correct
C) making the study double-blind
D) random selection
E) using a control group

Question

Quizplus · Accepted Answer

Randomized experimental studies often incorporate various elements to ensure the validity and reliability of the results. These include using a placebo to control for the placebo effect, making the study double-blind to eliminate bias from both the participants and the researchers, random selection to ensure a representative sample, and using a control group to compare against the experimental group. All these components are vital for the integrity of such studies.

Which of the Following Is a Vital Part of Randomized