A diagnosis of death based on the cessation of all signs of brain activity, as measured by electrical brain waves, is called

Which of the following occupations has a particularly high rate of suicide?

A) used-car salespeople B) psychologists C) priests D) gourmet chefs

In order to assure that changes in behavior that occur during experiments

are attributable to variables manipulated by the experimenter, it is critical to control for a. prior experience. b. number of participants. c. genetic variation. d. number of experimental conditions. e. both prior experience and genetic variation.