Which lobe accounts for about half of the volume of each of the hemispheres?

A professor asks a group of 8-year-olds and a group of 16-year-olds to argue that they should receive a reduction in their allowance, an argument with which they all surely disagree. Which of the following statements is a likely result of this study?

Almost none of the students will be able to do this. Eight-year-olds will be able to do this, but 16-year-olds will be unable to do this. Sixteen-year-olds will be able to do this, but 8-year-olds will be unable to do this. Almost all of the students will be able to do this easily.

United States citizens tend to be more likely than those of other nations to engage in

a. politically motivated violence directed toward groups. b. mob violence at sporting events. c. violence against young girls. d. gun-related violence against individuals.