Tamir et al. (2008) conducted a study to see what impact music has on participants playing computer games. The researchers had participants play computer games while listening to angry, exciting, and neutral music. The researchers then measured the participant's performance while listening to each type of music. Which of the following is a disadvantage of this type of research design?

Dr. Marshall is interested in researching the feeding habits of humpback whales in the wild. Which of the following feasibility issues will be the most difficult one for him to deal with?

a. time b. expense c. ethics d. all equally difficult

Using the media or public appearances to gain support for programs and visiting disaster victims are aspects of the governor's role as _____

a. chief executive b. commander in chief/top cop c. chief intergovernmental diplomat d. chief of party e. leader of the people