The correct answers are "candidates with high polling numbers get more media coverage" and "undecided voters vote for the most popular candidates."
The two ways elections are affected by public opinion polls are: "candidates with high polling numbers get more media coverage" and "undecided voters vote for the most popular candidates."
The method that is used to measure public opinion in the United States is polls and surveys. Mass Media outlets such as TV and Radio stations used polls and surveys before and during election time. The same happens with political parties and the candidates' campaign team. They are always monitoring the voters' preferences regarding their political candidates. They like to take "the pulse" of voters to know their preferences.
During political campaigns, public opinion polls help the campaign team to know people's views regarding their position of the candidate or the political party, It could be in favor, against, or neutral. From that information, the Director of the campaign can make decisions about what to modify the messages, the public's preferences, the position of the rivals, and try to better position its candidate in the mind of the voter.
