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In [[social choice theory]], the '''FavoriateFavorite Betrayal criterion''' is a criterion for evaluating [[voting system]]s.
 
==Definition==
 
<p>A voter optimizes the outcome (from his own perspective) if his vote causes the election of the best possible candidate that can be elected, based on his own preferences, given all the votes cast by other voters.
causes the election of the best possible candidate that can be elected,
based on his own preferences, given all the votes cast by other
voters.</p>
 
==Statement of the criterion==
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Election methods that meet this criterion provide no incentive for voters to betray their favorite candidate by voting another candidate over him or her.
 
''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]]
*[[Participation criterion]]
*[[Summability criterion]]
 
== External links ==
 
* [http://electionmethods.org/ Election Methods Education and Research Group]
 
 
[[Category:Voting system criteria]]
 
▲''Some parts of this article are derived with permission from text at http://electionmethods.org''
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