The study is intended to understand the people's voting behavior in the upcoming presidential election of the USA.
The population is the set of electoral votes is based on the congressional representation for each state.
In general, primaries use secret ballots for voting.
In 1936, the American Institute of Public Opinion also carried out a poll asking voters about their intentions in the upcoming presidential election.
Roughly the same chance of being called as anyone else living in the United States who has a telephone.
A new Pew Research Center analysis of survey questions from nearly a year’s worth of its public opinion polling finds that errors of the magnitude seen in some of the 2020 election polls would alter measures of opinion on issues by an average of less than 1 percentage point.
By 49% to 40%, registered voters are more likely to say the Republican Party, rather than the Democratic Party, can do a better job on the economy.