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Re: Evaluation results: disability and assistive tech

From: Chetz Colwell <c.g.colwell@herts.ac.uk>
Date: Tue, 16 Mar 1999 18:02:38 +0000
Message-Id: <v01540b04b313e0bfe149@[212.1.136.229]>
To: Charles McCathieNevile <charles@w3.org>, w3c-wai-gl@w3.org
Hi,
I think it is a natural question to ask how many web users, or potential
web users, are disabled, but I am also unconvinced it is relevant when so
many of the guidelines are aimed at improving access for those working
'eyes free' or 'hands free'.
Also, I'm not sure there are reliable sources of statistics.

However, I am concerned that if there is no explanation of how special
devices might render elements / attributes effectively, authors may develop
inaccurate models, as I described before.
I agree that such information does not need to be in the Guidelines.

Chetz

CMN:
>I am always concerned by people asking what proposrtion of web users are
>disabled.  To my mind, the question is irrelevant - the point is that SOME
>are ...
<snip>
>As I see it, the primary purpose of these guidelines is to explain how to
>do what I have called good design, not why to design things for disabled
>users.
>
>Thorough explanations of what the problems are, and how the solutions
>proposed work, is valuable and should also be made avilable as a tool used
>for verifying whether the guidelines achieve what they set out to achieve.
>It seems to me that it shouldbe included in associated documentation such
>as the techniques document rather than in teh guidelines themselves.
>
>Charlses McCN
Received on Tuesday, 16 March 1999 13:04:43 GMT

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