Breathing, heart rate, and blood pressure are controlled by the medulla

Two groups of volunteers are involved in an experiment to test the effects of a new drug for treating insomnia. One group of participants is given the drug;

the other group is given a pill that contains no medication but looks exactly like the one that contains the drug. What term is used to designate the participants who were given the "false" pill? a) normal group b) control group c) independent group d) experimental group

One theory suggests that people differ on a number of dimensions, such as dependency, aggressiveness, anxiety, and sociability. These characteristics are known as ______

a. personality traits c. somatotypes b. archetypes d. compensatory factors