[EM] Definition of preferential voting
seppley at alumni.caltech.edu
Sun Aug 22 07:08:06 PDT 2004
Check out the definition of "preferential voting" in
the Scott, Foresman book on Robert's Rules of Order.
I don't have a copy but my recollection is that it
defines preferential voting as any voting method in
which the voters express their orders of preference--
my words, not theirs--and it offers IRV as one example.
Their use of IRV as an example could explain why some
people now believe the term is a synonym for IRV.
Perhaps in Toplak Jurij's paper he should mention
the several ways in which people have used the term,
before offering the definition he believes is most
> Toplak Jurij wrote:
> During the last days the discussion on this list has focused
> primarily on the terminology. Coincidently I am working on
> a paper that tries to define "preferential voting".
> Literature offers numerous understandings and definitions:
> - 'preferential voting' is often used as a synonym for
> Alternative Vote or IRV
> - 'preferential voting' is sometimes used as another name
> for STV
> - 'preferential voting' is often used to denote 'ranking
> methods' (thus including STV, AV, Borda, etc.)
> - 'preferential voting is often used to denote a preference
> for a single candidate within List PR (this definition
> is used mainly in Europe)
> - mathematicians put first-past-the-post in the group
> of preferential voting schemes, but approval voting
> is not a member of this group - some authors put US
> primaries under 'preferential voting' (Katz,
> for instance).
> Is it possible to define preferential voting at all?
> I'd be grateful for any comments.
More information about the Election-Methods