> > > While I'm posting, Jameson, is it correct that you're using the term "MCA" > to refer to rank methods only? In other words it includes ERBucklin but > explicitly does not include the original ratings method MCA, or other forms > of median rating? >
No, the reverse. The term MCA refers to any rated method, with any number of ratings available, in which, if there is a unique candidate with a majority at or above any non-bottom ranking, that candidate wins. Different variants can have different tiebreakers for multiple and/or failed majorities. This includes the original MCA. I was also under the impression that, as a term, it was more-or-less synonymous with ER-Bucklin; if, instead, ER-Bucklin refers to a specific method, and a ranked one, then I was wrong in two ways. Jameson
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