Which type of study begins with a group of people who are already suffering from a disease and then examines factors associated with that disease?

A(n) __________ is a person who requires far fewer than 8 hours of sleep per day

a. nonsomniac b. hyposomniac c. insomniac d. hypersomniac

What is a potential ethical consideration to be aware of when conducting a research

study similar to the Kassin and Kiechel ( 1996 ) study? A) informed consent should always be presented B) interrogation techniques inflicting physical pain should not be used C) deception should only be used when absolutely necessary D) participants should be able to terminate participation at any time