Difference between revisions of "Ballot"

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=== Approval ballot ===
An '''approval ballot''' is a ballot type in which the voter is given a list of candidates and must, for each candidate, either approve them, or disapprove them. Approval ballots are used by [[Approval voting]], [[Explicit approval voting]], [[Proportional approval voting]], [[W:Combined approval voting|Combined approval voting]], etc.
=== Rated ballot ===
{{Wikipedia|Cardinal voting}}
A '''ratings ballot''', or '''cardinal ballot''', is a ballot in which, for each candidate, a voter is asked to "rate" the candidate on a scale, for example from 0 to 100 or from -5 to 5. Ratings are usually (though not always) restricted to integer values.
An [[approval ballot]] can be thought of as a ratings ballot with an integer scale from 0 to 1 (inclusive).
[[Voting system]]s that use a ratings ballot include [[Score voting]], [[Instant Runoff Normalized Ratings|instant runoff normalized ratings]], and [[cardinal pairwise]].
Two rated ballots that use different scales can be converted to each other. For example, if one voter gave a candidate a 5 out of 10 and another voter gave a candidate a 3 out of 7, the 5 out of 10 can be interpreted as a 3.5 out of 7, and the 3 out of 7 as a 4.2857 out of 10. In general, all rated ballots can be thought of as approximations of (and transformable into) a scale from 0 to 1 (or 0% to 100%), with 0 being no support and 1 being full support.
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