A researcher gives half of her participants a new anti-anxiety pill and the other half a placebo pill. She does not tell participants whether they have received an active treatment pill or a sugar pill. This is an example of what type of study?

Question

Quizplus · Accepted Answer

In a single-blind study, the participants do not know whether they are receiving the treatment or a placebo, which is the case here.

A Researcher Gives Half of Her Participants a New Anti-Anxiety