Exam 1
Introduction to Psychology
September 6, 2024
1. The __________ nervous system mobilizes the body when one needs to exert
tremendous energy
(such as flee from an attacker).
a. Somatic
b. Central
c. sympathetic
d. Parasympathetic
2. The somatic nervous system and the autonomic nervous system comprise the
a. central nervous system
b. peripheral nervous system
c. skeletal nervous system
d. afferent nervous system
3. Opiate drugs bind onto the same receptor sites as the body's own endorphins.
Therefore, opiate drugs tend to
a. reduce anxiety
b. produce sleepiness
c. increase anxiety and agitation
d. relieve pain
4. Dr. Hugo designs an experiment to test the effectiveness of a new antidepressant drug.
Half the participants will receive the actual drug and half will receive a sugar pill, but
neither the participants nor the researchers who administer the drug will know who is
receiving the actual drug and who is receiving the placebo. In this case, Dr. Hugo has
designed
a. a study that will minimize self-report bias
b. an unethical research procedure
c. a double-blind research study
d. a correlational study with two confounded factors
5. Which of the following statements about correlations is incorrect?
a. A and B correlate +1.00; therefore, they are causally related.
b. A and B correlate +1.00; if you know A you can predict B without error.
c. A and B correlate -1.00; if you know A you can predict B without error.
d. A correlation of +.90 gives better predictability than a correlation of +.60.
6. Of the following, the correlation coefficient that indicates the strongest relationship
between the two variables being measured is
a. +0.65
