As reported in your textbook, as many as 30% of Viagra users have experienced

Lord, Ross, and Lepper showed articles favoring and opposing capital punishment to groups of students who either opposed or were in favor of it. The results of this study showed that reading articles on both sides of the controversial issue:

a. brought the attitudes in the students closer together in a "middle" position. b. actually increased the difference in attitudes between the two groups. c. increased the self-esteem of members of both groups. d. decreased the self-esteem of members of both groups.

Maddy, age six, gets frustrated because she can't judge distance and direction as well as her ten-year-old sister, so she always loses at beanbag toss. Maddy's less accurate spatial perception is most likely due to which of the following?

a) synaptogenesis b) slower processing speed c) lack of lateralization d) damage to her parietal lobe