Dr. Esterson is studying the effect of caffeine on laboratory rats. He has decided that he will give the rats 100 milligrams of caffeine three times a day, and then run them through mazes at various points to see if
there is any change in the time it takes to complete the maze. Based on his review of existing research addressing this topic, Dr. Esterson believes that the rats will complete the maze the fastest immediately after they ingest the caffeine. Dr. Esterson's belief about the results he will find is called a(n):
a. covariate.
b. construct.
c. theory.
d. hypothesis.
Answer: D
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In the 1950s, Henri Laborit encouraged his psychiatric colleagues to try phenothiazines on their psychotic patients. What led him to make this suggestion?
a. ?The drugs diminished repetitive behaviors in rats. b. ?The drugs produced a calming effect on surgical patients. c. ?The drugs decreased manic behavior in bipolar patients. d. ?The drugs blocked the hallucinogenic effect of psychedelic drugs.
John has decided to learn how to wrestle. His first day at practice, a seasoned wrestler slams the back of his head to the mat. John is shaken and reports to the trainer that he "saw stars" after he hit his head. John "saw stars" because his __________ was temporarily affected as a result of the slam.
A. corpus callosum B. occipital lobe C. parietal lobes D. somatosensory cortex
Skylar is obsessed with getting and staying thin. Skylar may have _____.
Please choose the correct answer from the following choices, and then select the submit answer button. anorexia nervosa an eating disorder bulimia nervosa binge eating disorder
Which of the following is the best description of the relationship between health and happiness?
A) ?Good health may not, by itself, produce happiness because people tend to take good health for granted. B) ?Good health is one of the best predictors of happiness. C) ?Individuals who develop serious health problems have difficulty adjusting and therefore are less happy than those who are healthy. D) ?People born with serious health problems are happier than others because they do not take their health for granted.