Re: How dark is a mark?

From: Arthur Keller <voting_at_kellers_dot_org>
Date: Wed Dec 19 2007 - 22:52:23 CST

At 1:52 PM -0600 12/19/07, Douglas W. Jones wrote:
>On Dec 19, 2007, at 11:17 AM, Rick Carback wrote:
>
>> Perhaps I have misheard, but isn't one of the ideas behind the
>> scanner supposed to be that it present a screen showing what the
>> scanner read on the ballot?
>
>It's clear that scanners can auto-calibrate, recognizing background
>illumination levels of the paper, recognizing unmarked voting
>targets, and recognizing targets that are marked. This idea is an
>old one that needs to be used more frequently.
>
>But, scanners that present a screen showing what the scanner
>read on the ballot, as I understand the idea, doesn't involve showing
>an image of the ballot, but rather, a summary screen saying, perhaps,
>"Fred Smith for President". This has generally been seen as
>having the same value as the confirmation page in a DRE voting
>dialogue. It may have some value, but it does not eliminate the need
>to check or audit the scanning, since we know that only a minority
>of voters will notice inaccuracies in the reading of their ballots.
>
>And there is a problem. For security reasons, you want ballot
>scanners to be out in the open, in plain sight of everyone. You
>don't want the scanner in a booth where someone could feed multiple
>ballots into it or tamper with the machine. This issue has not been
>thought through, as nearly as I can tell.
>
> Doug Jones
> jones@cs.uiowa.edu

I've been an advocate of having the scanner show a summary screen as
Doug indicates. Is it possible for the screen to be visible to the
voter, and yet not visible to others?

Best regards,
Arthur

-- 
-------------------------------------------------------------------------------
Arthur M. Keller, Ph.D., 3881 Corina Way, Palo Alto, CA  94303-4507
tel +1(650)424-0202, fax +1(650)424-0424
_______________________________________________
OVC-discuss mailing list
OVC-discuss@listman.sonic.net
http://lists.sonic.net/mailman/listinfo/ovc-discuss
By sending email to the OVC-discuss  list, you thereby agree to release the content of your posts to the Public Domain--with the exception of copyrighted material quoted according to fair use, including publicly archiving at  http://gnosis.python-hosting.com/voting-project/
==================================================================
= The content of this message, with the exception of any external 
= quotations under fair use, are released to the Public Domain    
==================================================================
Received on Mon Dec 31 23:17:07 2007

This archive was generated by hypermail 2.1.8 : Mon Dec 31 2007 - 23:17:10 CST