Summability criterion: Difference between revisions

Noting that the "summability criterion" is frequently referred to as "precinct summability"
(Added contingent vote and ACP)
(Noting that the "summability criterion" is frequently referred to as "precinct summability")
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{{wikipedia|Summability criterion}}
The '''summability criterion''' (sometimes referred to as "'''precinct summability'''" or "'''batch summability'''"<ref>{{Cite web |title=Q: Are STAR Voting ballots "summable," or do they require centralized tabulation? |url=https://www.starvoting.org/summable |access-date=2022-12-25 |website=STAR Voting |language=en}}</ref>) is a criterion about the vote-counting process of [[Electoral system|electoral systems]], which describes how precinct-summable a voting method is. Unlike most other voting system criteria, it does not relate to the end result, only to the process.
 
This is important for elections with many voting jurisdictions to be able to practically transmit their vote totals for tabulation. Summability is important to be able to report real-time combined vote totals in an understandable way. Some non-summable methods require that the individual ballot images are are transmitted to a centralized counting location to find the combined result.