Preferential voting: Difference between revisions

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imported>MarkusSchulze
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imported>DanBishop
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* Write names: Hand-written names as a list from first to last preference.
* Touch screen: A slightly different category of voting is a computer Touch screen could also be used, asking voters their first, second, etc preferences, and showing the selections so far and remaining choices, allowing selections to be removed if the voter makes a mistake or changes her mind during voting. Some people want touch screen voting to print a paper ballot at the end as a hardcopy backup.
 
== Equal rankings ==
 
Another variation of ranked ballots is to allow a voter to give multiple candidates the same ranking. This allows voters to cast [[range voting]] style ballots. Ways of dealing with such ballots include:
 
* Convert the ballot into a fully-ranked one by breaking ties at random.
* Use fractional votes. If N candidates are tied on a ballot, each candidate receives 1/N of a first-place vote, 1/N of a second-place vote, etc.
* In most [[Condorcet]] methods, the [[defeat strength]] of X over Y can be computed from the X>Y and Y>X votes, while simply ignoring X=Y votes.
 
==Scope for corruption==
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