Research shows that, among men, high levels of testosterone are associated with risk-taking and competitiveness ____.
a. but are not associated with a high sex drive
b. but are not associated with unstable marriage
c. and are also associated with a disinclination to marry and care for children
d. and are also associated with depression
Question 2
Dr. Hurtado and Dr. Yashari have recently conducted a study and found a positive correlation between music-listening and dancing ability: People who listen to lots of music tend to be excellent dancers. The correlation is statistically significant. Can they conclude that listening to music causes people to be better dancers? Why or why not?
a. Yes, because there is a positive correlation
b. Yes, because there is a statistically significant correlation
c. No, because the evidence is correlational, not experimental
d. No, because the correlation probably does not hold true for deaf people
This image shows growing blood vessels in the retina of a mouse
The testes. In addition to producing sperm, the testes secrete the male sex hormones, primarily test
Stem cell research may cure diabetes, but lacks funding
Research Methods
Serotonin and Risk-Taking Behavior
Levels of Ecological Organization