- From: Steve Lee <steve@opendirective.com>
- Date: Mon, 29 Sep 2014 15:09:24 +0100
- To: "Rochford, John" <john.rochford@umassmed.edu>
- Cc: "public-cognitive-a11y-tf@w3.org" <public-cognitive-a11y-tf@w3.org>
While your list seems complete I agree it looking very difficult to separate by cog. disability. I'm afraid I have no inspiration at this point. Steve Lee OpenDirective http://opendirective.com On 29 September 2014 14:12, Rochford, John <john.rochford@umassmed.edu> wrote: > Hi All, > > > > As you may know, Lisa asked me to separate, by cognitive disability, the > problems people may experience when trying to use CAPTCHA and other > web-security techniques. Below is my most-recent list of such problems, > which assume no confounding physical disabilities. > > > > I think a significant majority apply to all of the cognitive disabilities > upon which our task force has been working. It may be that, in general, the > only two cognitive disabilities to which a large subset of such problems may > not apply are Non-vocal and ADD. Lisa has suggested that the problem > “recognize functional elements, such as buttons, are clickable” may apply > only to people with intellectual disabilities, which our group references as > “Down Syndrome”. > > > > I am therefore unsure that separation by cognitive disability will prove > functionally useful. Please express your opinion by responding to this > message, and/or during our next, related discussion. > > > > Also, please contribute with any additions or corrections you believe > necessary. I have numbered the problems so referencing them will be easier. > > read CAPTCHA text (including numbers) at all because of the intentional > distortion of it > comprehend text (including numbers) that can’t be enlarged without > additional distortion > recognize characters if they do not form words, or are shown in different > fonts/styles > have the advantage of comprehending the meaning of words or images > understand text spoken in a computerized and distorted voice > complete the multi-step procedure for submitting the CAPTCHA text > complete a timed CAPTCHA due to slowness in completing all steps > enter characters in the correct order > understand the purpose of buttons such as reset, listen, and help > recognize functional elements, such as buttons, are clickable > focus due to irrelevant instructions such as “stop spam” and “read books” > become accustomed to CAPTCHA because there are multiple versions of it > > > > John > > > > John Rochford > > UMass Medical School/E.K. Shriver Center > > Director, INDEX Program > > Instructor, Family Medicine & Community Health > > http://www.DisabilityInfo.org > > Twitter: @ClearHelper > >
Received on Monday, 29 September 2014 14:09:53 UTC