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Proportional approval voting: Difference between revisions
Undo revision 2194 by 199.164.125.138 (talk) per suggestion on the Center for Election Science Discord server
(Renamed Category:Approval methods to Category:Approval voting) |
(Undo revision 2194 by 199.164.125.138 (talk) per suggestion on the Center for Election Science Discord server) Tag: Undo |
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The satisfaction for individual voters of a potential result is calculated based on how many of the successful candidates they voted for. In this particular system, if an individual voted for ''n'' successful candidates (and an irrelevant number of unsuccessful ones) then their satisfaction is taken to be
: <math>1
Adding up the satisfaction of all the voters with the potential result gives the total satisfaction with that result. The potential result with the highest total satisfaction is chosen as the actual result.
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A somewhat simpler counting method is '''sequential proportional approval voting''' where candidates are elected one-by-one to the winners' circle by approval voting, but in each round the value of the votes of each voter who already has ''m'' candidates in the winners' circle is reduced to
: <math>\frac{1}{m
This was developed by the Danish polymath Thorvald N. Thiele, and used (with adaptations) in [[Sweden]] for a short period after [[1909]].
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! !! AB !! AC !! AD !! BC !! BD !! CD
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| voters approving 2 successful candidates (satisfaction of 1
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| voters approving 1 successful candidate (satisfaction of 1) || 17 || 5 || 30 || 22 || 13 || 25
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