t tests are often used to determine the efficacy of a particular treatment. In ideal randomized clinical trials, subjects and providers don't know who is getting the treatment and who is getting the placebo. This way, the data won't be compromised. It is, in fact, quite important that everyone believe they are getting the treatment.

• Which outside resource (image, video, article) touches on this subject? Share the link within your post. What real-life benefits or negatives do you see in that example to this research approach?