In the past, psychologists have studied depression to find ways to help people. They paid little attention to joy. In the last 18 years, however, a growing number of psychologists have begun to study happiness. So many, in fact,
that they have their own brand of psychology, positive psychology. These psychologists focus on activities that
can make their clients happier. This, according to recent studies, involves a change in perspective on the part of
the client. According to positive psychologists, optimism and gratitude are key ingredients to this change. Helping
people remember positive events in their past, and believe in their own future success, has been shown in
studies to create genuine happiness. And positive therapists are looking to do just that.

clients work to change their .

A:attitudes
B:employment
C:contrast
D:techniques