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RE: Size of a clickable area and the WCAG 2 guidelines

From: Jim Tobias <tobias@inclusive.com>
Date: Wed, 24 Feb 2010 09:28:32 -0500
To: <w3c-wai-ig@w3.org>
Message-ID: <EE5ACB0CC71F4ECEBCD1670FA4054EAF@delldesk>
I think that's right, Jonathan.  As far as "quantitatively researched
algorithm", how did the low vision algorithm get generated?  Was there some
assumption about the distribution of perceptual ability across all low
vision users?  Could that be applied to people with limited dexterity? 

***
Jim Tobias
Inclusive Technologies
+1.908.907.2387 v/sms
skype jimtobias
 

> -----Original Message-----
> From: w3c-wai-ig-request@w3.org 
> [mailto:w3c-wai-ig-request@w3.org] On Behalf Of Jonathan Avila
> Sent: Wednesday, February 24, 2010 9:05 AM
> To: w3c-wai-ig@w3.org
> Subject: RE: Size of a clickable area and the WCAG 2 guidelines
> 
> Andrew wrote:
> > but it is surely not only affecting people with 
> disabilities, so that
> may have been the basis for it not being included.
> 
> That argument could be made for many of the guidelines in WCAG 2.
> 
> What I guess most likely happened is that 1. As Jim Tobias 
> said there was not as large of a political effort to push for 
> stronger mobility guidelines and 2. Perhaps there was not an 
> exact technical specification that would support the majority 
> of users with mobility impairments -- I understand Fitts law 
> provides some guidance in this area.  In order to require 
> something you really need a proven and quantitatively 
> researched algorithm for achieving the desired results for 
> the population in need.
> 
> Jonathan
> 
> 
Received on Wednesday, 24 February 2010 14:29:05 GMT

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