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Reply #27: OK, now I know what you're talking about [View All]

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OnTheOtherHand Donating Member (1000+ posts) Send PM | Profile | Ignore Mon Nov-22-10 08:00 AM
Response to Reply #22
27. OK, now I know what you're talking about
Nothing like an expert consensus on that, but at least you're not the only person to suggest it! EDA put out a paper about that.

One problem with that approach is that you can't determine whether any machine actually counted its votes accurately, although you may be able to identify machines that weren't even close. If the 10% sample can be treated as random, that approach can provide pretty good evidence about who won -- although, like all fixed-percentage audits, it sometimes does more work than needed and sometimes not enough -- but it's very hard to detect small errors, much less isolate them to individual machines.

If we get to the point where we can audit individual ballots against how the machines counted them, then a random sample of individual ballots can work very well for checking the winner. But that requires us to have a way to identify individual ballots without compromising secrecy, which is a controversial subject. And it provides even less information about whether any one machine counted accurately, although at least it is capable of detecting "small" errors.
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