[EM] How choice of voting systems depend on amount of participants

dikov dikov dikov1 at yahoo.com
Thu Sep 25 07:46:25 PDT 2014


Hello Richard,

Thank you for the detailed reply. 
I exactly assumed that for small  polls (say 10 voters) a simple majority with only one winner can be more favorable than scorring all entries in ballots.
Basically, I had an idea that upon setting a contest, one would have a pull down menu with voting systems accompained with comments explaining under which circumstances what system would give better results.

Thank you,

Dmytro




On Wednesday, September 24, 2014 11:50 PM, Richard Fobes <ElectionMethods at VoteFair.org> wrote:
 


On 9/24/2014 4:59 PM, dikov dikov wrote:
> .... Since amount of
> voters (participants+followers) may reach even thousands I suspect that
> different voting mechanisms would be appropriate, depending on amount of
> votes.
> Is that right or he can stick to some systems that would be efficient on
> large and small scales?

Thousands of voters does not cause any problem for any election method.

In fact, based on my experiences with surveys/polls/elections at 
VoteFair.org, a smaller number of voters can be more of an issue.

In particular, a small number of voters can more easily lead to a tie, 
and can more easily lead to the result not having a Condorcet winner. 
By contrast, a large number of voters decreases the chances of a tie, 
and increases the chances that there will be a Condorcet winner.

(Clarification: Instant-runoff voting (IRV) has a limitation if ballots 
are collected at different locations, because it cannot handle the 
summarizing that works with other counting methods.  Yet even IRV can 
handle tens of thousands of ballots if they are cast at a single website.)

Thanks for asking, and especially thanks for learning about how voting 
should be done.

Richard Fobes


On 9/24/2014 4:59 PM, dikov dikov wrote:
> Hi,
>
> One of my friends wants to implement contests to his website and
> learning on the topic brought me to the voting systems. Since amount of
> voters (participants+followers) may reach even thouthands I suspect that
> different voting mechanisms would be appropriate, depending on amount of
> votes.
> Is that right or he can stick to some systems that would be efficient on
> large and small scales?
>
> Thank you in advance,
>
> Dmytro
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