Dr. Rambo wants to determine whether there are sex differences in reaction to televised violence. He asks male and female participants to watch a 15-minute video clip of a violent program and then complete a rating scale. Rambo’s research project is best classified as a(n)
a. cohort study
b. quasi-experiment
c. observational study
d. correlational experiment
quasi experiment
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Researchers believe that genetic factors influence happiness by means of determining
a. the availability of norepinephrine in the brain. b. the likelihood of developing mental illness. c. the set point around which happiness tends to settle. d. the speed of transmission of neural messages. e. the sensitivity of dopamine receptors.
According to the place theory of pitch perception, how do sound waves affect the basilar membrane??
a. ?High-frequency tones stiffen the membrane; low-frequency tones relax the membrane. b. ?High-frequency tones relax the membrane; low-frequency tones stiffen the membrane. c. ?High-frequency tones produce maximum movement at the base; low-frequency tones produce maximum movement near the apex. d. ?High-frequency tones produce maximum movement near the apex; low-frequency tones produce maximum movement at the base.
The credibility of any causal conclusions drawn using the ABAB design depends largely on the ____
a. the intensity of the treatment b. the stability of behavioral change when the treatment is first introduced c. the stability of behavioral change when the treatment is reintroduced d. the return to baseline component
Which of the following is a correct statement concerning male-female differences in psychological reactions to stress?
a. the proposal males and females differ in their behavioral reactions to stress is controversial b. sex differences in response to stress occur only in humans c. there is no evidence the differences are due to differences in the male and female brain d. most research on the behavioral component of the stress response is on women