Participation criterion

Statement of Criterion

Adding one or more ballots that vote X over Y should never change the winner from X to Y.

Complying Methods

Plurality voting, Approval voting, Cardinal Ratings, Borda count, and Woodall's DAC and DSC methods all pass the Participation Criterion. Condorcet methods, Majority Choice Approval, and IRV fail.

Some parts of this article are derived with permission from text at http://electionmethods.org

See Also

• Voting system
• Monotonicity criterion
• Condorcet Criterion
• Generalized Condorcet criterion
• Strategy-Free criterion
• Generalized Strategy-Free criterion
• Strong Defensive Strategy criterion
• Weak Defensive Strategy criterion
• Favorite Betrayal criterion
• Summability criterion

External Links

• Election Methods Education and Research Group
• Woodall's DAC method

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