Newborns relax their facial muscles in response to a __________ taste

Which conclusion has been drawn concerning the research on testosterone and aggression?

a. Individuals who have high baseline levels of testosterone tend to be more aggressive than average. b. Testosterone only increases in response to aggression. c. Testosterone is not involved in aggression among females. d. There is little psychologists can do to prevent aggression in high-testosterone individuals.

Julie usually turns to her friends for advice about the questions she has. However, if she is like most teenagers, she decides that she would be better served to listen to her parents about which of the following questions?

a. what books to read b. whom to date c. how to choose a future occupation or job d. where to get correct information about sex