A researcher conducts a study on the effectiveness of a new drug to alleviate anxiety. Participants are given either the drug or a sugar pill, and they don't know which they are receiving. Furthermore, the experimenter dispensing the pills does not know which pill he is giving out (the lead researcher, however, is aware of everything). This experiment is known as a _________ experiment.

Question

Quizplus · Accepted Answer

In a double-blind experiment, neither the participants nor the person dispensing the treatment know who is receiving the actual treatment or the placebo, minimizing bias.

A Researcher Conducts a Study on the Effectiveness of a New