In an experiment on the effects of two new drugs on mood, patients, researchers, and those who are evaluating the mood of patients are all unaware of which drug the patients are getting. The study is _____-masked.

Question

Quizplus · Accepted Answer

Triple masking (or blinding) means that the patients, the researchers administering the treatments, and the evaluators assessing the outcomes are all unaware of which treatment the patients are receiving.

In an Experiment on the Effects of Two New Drugs