# Re: The trouble with triples. (Was Three ballot...

From: Jerry Lobdill <lobdillj_at_charter_dot_net>
Date: Wed Sep 27 2006 - 08:47:47 CDT

This sounds EXTREMELY complicated. How in the world are people who in
past times haven't been able to figure out how to use a simple ballot
EVER going to learn this? It will confuse these people to be "voting
not for". The incidence of faulty ballots will surely go up with this idea.

>Kathy and Kurt,
>
>Here's a little more details on how Rivest's scheme works to answer
>
>first Kurt, The terminolgy "against" is off-putting, I agree.
>Though I see why he chose it:it's hard to invent a better term for
>what Rivest means. He means literally you are "voting not for",
>because on his ballot you have to make marks for people you do not
>wish to win. He had to have a term for that positive action, so I
>guess he called it voting "against".
>
>This may be come more clear as I answer kathy's question.
>
>So let's review: in every race you have to mark one oval for people
>you don't want to win (AKA vote against) and two ovals for the
>candidate you do want to win. The ballot is then trisected.
>
>Looking at any given ballot the scanner can't tell if an oval was
>part of a vote "for" or a "vote" against. Instead for any oval it
>sees, it simply increments the counter for that candidate.
>
>Now what happens is that every time 3 ballots are inserted, then on a
>properly marked ballot, at least one oval for every candidate is
>filled. Thus no matter what the counter for each candidate
>increments one tick for every voter. and the voter's preferred
>candidate increments two ticks.
>
>thus at the end of the day candidate each candidates total is
>where N is the number of voters.
>
>If you want you can subtract N from each candidate's totals, then you
>are left with simply the number of votes for.
>
>
>SO now you can see why he has this elaborate "vote checker" that
>verifies the 3ballot is of valid form (all the candidates must have
>an oval checked, only one candidate has two ovals checked, and none
>has three ovals checked). And only after that validation can the
>voter insert the 3 strips into the vote counting machine.
>
>Of course since rivest wants physical separation of the checker and
>counter (because of his desiderata that the counter can be blind to
>which ballot strips go together) And there's a problem. The voter
>might modify the ovals after it was checked, or switch one of the
>ballot strips for another in his pocket, and thus be able to fill in
>more ovals for his favorties and remove ovals for those he opposes,
>and thus vote multiple times.

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Received on Sat Sep 30 23:17:07 2006

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