1. How do cognitive theories of the etiology of anxiety disorder differ from traditional behavioral.

1. How do cognitive theories of the etiology of anxiety
disorder differ from traditional behavioral theories?

2. What is the common—and crucial—ingredient for behavioral
and cognitive-behavioral therapy for anxiety disorders?

3. OCD is less common in older than younger adults. What
might be some reasons for this difference, and how would you design a study to
identify them?