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Subject:
From:
James Gannon <[log in to unmask]>
Reply To:
James Gannon <[log in to unmask]>
Date:
Thu, 25 Aug 2016 06:53:22 +0000
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Hi Tapani,



As per the EC meeting yesterday does this constitute the instructions to be sent to the list and if so has this been approved by the EC as the formal communication?



-James









On 25/08/2016, 07:42, "NCSG-Discuss on behalf of Tapani Tarvainen" <[log in to unmask] on behalf of [log in to unmask]> wrote:



>Dear all,

>

>While the voting rules confirmed by NCSG EC yesterday may be familiar

>and clear to oldtimers and mathematically-minded people like myself,

>they may not be obvious to all. I try to clarify them a little.

>

>In particular the actual effect of None-of-the-Above vote to

>candidates' chances of getting elected (that is, beating NotA) in the

>councillor election is not quite intuitive. Chair election is clear

>enough so I won't discuss it now, and I'm ignoring any symbolic

>meanings as well.

>

>Key point: in the present situation, the only thing that matters in

>deciding if a candidate gets elected is whether or not their vote

>count is less than NotA's.

>

>With that in mind:

>

>In the councillor section of the ballot there are four boxes

>one can tick: one for each candidate, let's call them X, Y and Z,

>and one for None of the Above.

>

>This gives in effect eight different ways of filling the ballot:

>

>(1) Leave it empty - tick no boxes.

>

>This has no effect on the outcome, but will be counted as a valid

>vote.

>

>(2) Select only NotA, none of the candidates.

>

>This will decrease all candidates' chances of getting elected equally.

>

>(3) Select one candidate, say X (but not NotA).

>

>This will improve candidate X's chances of getting elected

>and has no impact on the chances of candidates Y and Z.

>

>(4) Select two candidates, say Y and Z (but not NotA).

>

>This will improve both Y's and Z's chances of getting elected

>and has no impact on the chances of X.

>

>(5) Select one candidate, X, and NotA.

>

>This will have no effect at all on X's chances but will

>reduce Y's and Z's chances of being elected.

>

>In effect the NotA vote will cancel the positive vote to X,

>leaving only negative vote against Y and Z.

>

>(6) Select two candidates, Y and Z, and NotA.

>

>This will have no effect on Y's and Z's chances but

>will reduce X's chances.

>

>Again, the effect of NotA is canceling out the positive vote

>to Y and Z, leaving only the negative effect on X.

>

>(7) Select all three candidates (but not NotA).

>

>This will improve all candidates' chances of getting elected.

>

>(8) Select all three candidates and NotA.

>

>This will invalidate the ballot and it will have no effect on the

>outcome. Invalid ballots will be separately counted, however.

>

>

>The most counterintuitive cases are (5) and (6): if voting

>for one or two candidates, adding NotA will actually

>reduce the chances of your chosen candidate(s) being elected

>(just as much as those of the other candidates').

>

>If everybody votes that way, that is, selects one or two candidates

>plus NotA, no candidate can ever be elected.

>

>A simplified hypothetical example to illustrate this:

>

>Assume we have 400 voters with one vote each.

>

>The assume 100 people vote for X+NotA and 300 vote for Y+Z+NotA.

>

>Result: X gets 100 votes, Y and Z 300 each, NotA gets 400,

>and nobody gets elected.

>

>

>I find this system so bizarre that it actually never occurred to

>me that it really was the intent in previous elections.

>Indeed I failed to believe it even when people kept yelling at me that

>yes, that was the intent. Well, I was wrong. Not for the first time.

>

>Good reminder that what someone thinks is obvious may not be so at all

>to another. And in things like elections that can be dangerous, so all

>such assumptions should be made explicit and written down.

>

>

>Anyway, this is the system we have, longstanding practice,

>and we are not going to change it for this election.

>

>

>So, vote - but take care that you understand the real effect of your

>vote, especially when thinking about voting for None of the Above.

>

>

>******

>

>For the future, however, I recommend reconsidering this and looking

>for better methods, even changing the charter if need be. Perhaps some

>type of approval voting, separate NotA for each candidate, or a vote

>threshold would work. All such systems have their own pitfalls though,

>it takes care to do them well. I will not go deeper into that now, but

>I suggest it would be best to define the rules at a time sufficiently

>far from any actual elections that thoughts of current candidates and

>strategies will not cloud people's thinking. Of course election-time

>discussions such as the present brouhaha should be very useful

>material to review then, so by all means let the debate continue if

>people aren't tired of it yet. It may prove worthwhile in the end.

>

>-- 

>Tapani Tarvainen


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