A _______ clinical study is one in which subjects and researchers are unaware of what treatments subjects have received.

Question

Quizplus · Accepted Answer

In a double-blinded clinical study, both the subjects participating in the study and the researchers conducting the study do not know which subjects have received the treatment under investigation and which have received a placebo or another treatment. This method is used to prevent bias in research results.

A _______ Clinical Study Is One in Which Subjects and Researchers