You have designed an experiment to test a new drug. You prepare the injection doses of the drug and a placebo and label them with different alphabet letters. Then, you hire research assistants to give the injections and to collect data from the participants. These research assistants as well as the participants will not know which injection is the drug or which is the placebo or whether a participant is in the experimental or the control group. You have
A)created a placebo effect.
B)designed a single-blind experiment.
C)designed a double-blind experiment.
D)created a self-fulfilling prophecy.

Question

Quizplus · Accepted Answer

This setup describes a double-blind experiment, where neither the participants nor the researchers administering the treatments know who is receiving the experimental drug or the placebo, effectively minimizing bias.

You Have Designed an Experiment to Test a New Drug