Participation criterion: Difference between revisions

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<h4 class=left>Statement of Criterion</h4>
== Statement of Criterion ==


<p><em>Adding one or more ballots that vote X over Y should never change
{{definition|Adding one or more ballots that vote X over Y should never change
the winner from X to Y.</em></p>
the winner from X to Y.}}


<h4 class=left>Complying Methods</h4>
== Complying Methods ==


<p>[[Plurality voting]], [[Approval voting]], [[Cardinal Ratings]], [[Borda count]], and Woodall's [[Descending Acquiescing Coalitions|DAC]] and [[Descending Solid Coalitions|DSC]] methods all pass the Participation Criterion. [[Condorcet method | Condorcet methods]], [[Majority Choice Approval]], and [[IRV]] fail.</p>
[[Plurality voting]], [[Approval voting]], [[Cardinal Ratings]], [[Borda count]], and Woodall's [[Descending Acquiescing Coalitions|DAC]] and [[Descending Solid Coalitions|DSC]] methods all pass the Participation Criterion. [[Condorcet method | Condorcet methods]], [[Majority Choice Approval]], and [[IRV]] fail.


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


== See Also ==
== See also ==


*[[Voting system]]
*[[Voting system]]
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*[[Summability criterion]]
*[[Summability criterion]]


== External Links ==
== External links ==


* [http://electionmethods.org/ Election Methods Education and Research Group]
* [http://electionmethods.org/ Election Methods Education and Research Group]