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RE: Revised statement on testability (was" Definition of human testability)

From: John M Slatin <john_slatin@austin.utexas.edu>
Date: Wed, 12 May 2004 11:56:46 -0500
Message-ID: <C46A1118E0262B47BD5C202DA2490D1A0183AFE2@MAIL02.austin.utexas.edu>
To: "Jason White" <jasonw@ariel.ucs.unimelb.edu.au>
Cc: <w3c-wai-gl@w3.org>

Thanks, Jason.

Yes, we mean "... When they test the same content against the same
success criteria."  Thanks.

And yes, I at least (I won't speak for Yvette here) was being
deliberately vague about "usually" and "very similar."  But see
Michael's response on this same point, calling for us to define a
threshhold and use it to test this very statement (or whatever version
of it we agree to).


"Good design is accessible design." 
Please note our new name and URL!
John Slatin, Ph.D.
Director, Accessibility Institute
University of Texas at Austin
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1 University Station G9600
Austin, TX 78712
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email jslatin@mail.utexas.edu
web http://www.utexas.edu/research/accessibility/


-----Original Message-----
From: Jason White [mailto:jasonw@ariel.ucs.unimelb.edu.au] 
Sent: Tuesday, May 11, 2004 11:51 pm
To: John M Slatin
Cc: w3c-wai-gl@w3.org
Subject: Re: Revised statement on testability (was" Definition of human

On Tue, 11 May 2004, John M Slatin wrote:

> <begin proposed>
> The Working Group believes that tests can show whether Web content 
> passes or fails each success criterion. Tests can be done by computer 
> programs or by people who understand these guidelines. We believe that

> different people who understand the guidelines will usually get the 
> same or very similar results when they test the same success 
> criterion. </end proposed>
you mean "when they test the same content against the same success
criteria"? Are you being deliberately vague about what "usually" and
"very similar" mean? For an explanation of what the working group
believes has been achieved this is probably sufficient. In practice we
will have to arrive at a clearer understanding of the conditions under
which "usually" and "very similar" are satisfied. That can probably
await detailed discussions of success criteria, though, and perhaps
doesn't have to be, indeed perhaps cannot be, solved now.

In general I think the proposed wording is clear and expresses what is
Received on Wednesday, 12 May 2004 12:56:58 UTC

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