Which field of psychology is interested in the study of positive emotions such as happiness and love, optimism and hope, joy and sensual pleasures?

Which is NOT one of the criticisms the text spoke about in regard to the DSM?

a. Based on a Western culture b. Assumes disordered behavior only differs in kind c. Diagnosable disorders have tripled since it was first published d. It is not comparable to other classification systems used in other countries

If you wanted your best friend to spend more time talking about your interests, you might try smiling at her every time the conversation turned to your interests. In the framework of operant conditioning, your frowning would be:

a. positive reinforcement b. positive punishment c. negative reinforcement d. negative punishment