​To study the effectiveness of a new anti-anxiety drug, rese…

​To study the effectiveness of a new anti-anxiety drug, researchers randomly assign equally anxious people to two groups, one getting Drug X and the other getting no drug. The researchers mistakenly conclude that Drug X works because people in the drug group show fewer signs of anxiety than the others. What is the mistake?

​Dominic tells you that he is married to Jennifer Lopez and…

​Dominic tells you that he is married to Jennifer Lopez and that together, they rule the world. Vincent tells you that all the other patients and the staff are talking about his case and what to do about him. Dominic suffers from delusions of ____, whereas Vincent suffers from delusions of ____.