What question should you ask to decide whether you have narcolepsy?

a. Do you have sudden attacks of sleepiness during the day?
b. Do you get as much sleep as most other people your age?
c. Do you awaken from sleep gasping for breath?

The ability of a test to measure what it sets out to measure is ________

a. reliability b. correlation coefficient c. standard deviation d. validity

Which of the following correctly describes the effects of deinstitutionalization?

a. Deinstitutionalization has been a resounding success, as almost all mental patients have now been reintegrated into the community. b. Deinstitutionalization has been an unequivocal failure, as mental patients have not been helped at all. c. Deinstitutionalization has been predominantly a failure due to its overly aggressive outreach programs. d. Deinstitutionalization has been a mix of success and failure as many people have been helped but far too many have not. e. Deinstitutionalization has been predominantly successful since the vast majority of mental patients are now receiving help in their community.