[EM] Majority-Judgement. Condorcet.

Jameson Quinn jameson.quinn at gmail.com
Fri Feb 3 20:00:23 PST 2012

2012/2/3 Kevin Venzke <stepjak at yahoo.fr>

> Personally I don't understand why one would want to spend time on a method
> that you have to defend by saying
> "it might work anyway," even if as built the incentives are wrong.

At worst, it's approval. Not so bad. There's good reason to think that it
will lead to more honesty than approval or range. People complain about
approval, they really want to distinguish their favorite. So this isn't so
much "it might work anyway" as "it probably has a bonus".

> I like the idea of being able to test things, so I may be biased here.

OK, I'll net you know when I've tested real human behavior on Amazon
Mechanical Turk.

> It's taking a shot in the dark. How fantastic must this method be, for
> that to seem like a good idea? It's hard to
> believe one couldn't go back and work out something that more reliably
> does whatever you were going for.

I really don't see it as that ugly.

> Also, if MJ is a serious proposal it should be called "median rating" and
> use the Bucklin tiebreaker. You'd have
> a name that means something and a tiebreaker that isn't a pain to solve.At the top rating (the one we all agree
> might matter) the rules aren't even different.
> The name is so bad. Imagine you hear that on the news and are trying to
> figure out what it means. "Majority"
> doesn't tell you that much (IRV already does majorities and they didn't
> even need to put it in the name) and
> "judgment" refers to what? The voting. They're calling it "judgment"
> though. Puke. So dramatic and it doesn't
> even say anything.
> The tie-breaker is the same thing really. It sounds neat and fair to pull
> out median votes one by one, but in
> practice that isn't the methodology, you really should use math. Try
> coding MJ and then see how much code you
> could delete, how much less thought it would've taken you, if you just
> wanted the Bucklin tiebreaker instead.

I didn't name it or choose the tiebreaker. I wouldn't have named it that or
chosen that tiebreaker. I am sure, however, that these issues are trivial,
compared to the fact that there's a book and academic articles promoting
MJ. Any median system will elect the same winner in any real election.


> Kevin
> ----
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