A potentially dangerous consequence of obtaining large amounts of polling data is that… a. public skepticism is likely to lead policy makers to ignore valuable polling data
b. constant reports of polling results intensify the horse-race atmosphere of a campaign
c. the Internet has made polling tools increasingly unreliable
d. policy makers are less well informed than the general public about polling data

Before they can be published, scientific papers must be peer-reviewed. this means that: a) some other scientific experts read the papers and guarantee that they are true. b) some other scientific experts read the papers and provide quality control by eliminating many mistakes. c) an editor reads the papers, to make sure that all the semicolons are in the correct places. d) everyone in the world is given the opportunity to comment on the papers through a specially maintainedblog. e) government bureaucrats read the papers, to be sure that the papers do not insult the political positions ofthe current officeholders.