To select the party's candidate for an upcoming election.

To raise funds for the party's campaign.

To develop the party's platform.

To elect the party's leadership.

Open and closed primaries.

Direct and indirect primaries.

Mandatory and voluntary primaries.

Partisan and nonpartisan primaries.

In a direct primary, voters cast their ballots directly for their preferred candidate, while in an indirect primary, they elect delegates who then vote for the candidate.

In a direct primary, voters cast their ballots in person, while in an indirect primary, they vote by mail.

In a direct primary, voters can only vote for candidates from their own party, while in an indirect primary, they can vote for candidates from any party.

In a direct primary, the candidate with the most votes wins, while in an indirect primary, the candidate with the most delegates wins.

They increase voter turnout.

They make the primary process more competitive.

They allow voters to choose the best candidate regardless of party affiliation.

All of the above.

They can lead to candidates winning the primary who are not supported by a majority of the party's members.

They can make it more difficult for third-party candidates to compete.

They can increase the influence of special interests in the primary process.

All of the above.

They ensure that only party members can vote in the primary.

They make the primary process more competitive.

They reduce the influence of special interests in the primary process.

All of the above.

They can lead to lower voter turnout.

They can make it more difficult for third-party candidates to compete.

They can increase the influence of special interests in the primary process.

All of the above.

Ranked-choice voting.

Instant runoff voting.

Open primaries with a runoff.

All of the above.

They allow voters to choose the party's candidate for an upcoming election.

They make the primary process more competitive.

They increase voter turnout.

All of the above.

Low voter turnout.

The influence of special interests.

The rise of third-party candidates.

All of the above.

It will continue to be the dominant method of selecting party candidates.

It will be replaced by a more direct form of democracy, such as ranked-choice voting.

It will become less important as third-party candidates become more competitive.

It is unclear.

United States

United Kingdom

Canada

Australia

Open primary

Closed primary

Blanket primary

Top-two primary

To determine the winner if no candidate receives a majority of the votes in the first round.

To allow voters to rank their preferred candidates.

To increase voter turnout.

To reduce the influence of special interests.

Low voter turnout.

The influence of special interests.

The rise of third-party candidates.

Increased political polarization.