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LEvel definition

From: Gregg Vanderheiden <gv@trace.wisc.edu>
Date: Wed, 7 Apr 2004 08:58:43 -0500
Message-Id: <200404071358.i37DwiMM012078@jalopy.cae.wisc.edu>
To: <w3c-wai-gl@w3.org>


Two level definitions to start discussion Thursday

#1 - Is from our current doc
#2 - is one that John sent in recently as part of "easier to understand"
work

Others are invited - please post to the list


--------------
#1 -from our current doc

Level 1 success criteria: 

1- do not specify how information is presented

2- are reasonably applicable to all websites

3- some are machine-testable. Others require human judgment. Success
criteria that require human testing yield consistent results among multiple
testers.

Level 2 success criteria: 

1- may require an author to present content in particular ways

2- are reasonably applicable to all websites

3- some are machine-testable. Others require human judgment. Success
criteria that require human testing yield consistent results among multiple
testers.

Level 3 success criteria: 

1- are additional criteria that go beyond Level 1 and 2 that may be applied
to make sites accessible to more people with all or particular types of
disability


----------------
#2 -one that John sent in recently as part of "easier to understand" work


Level 1 success criteria

1.    Do not set limits on content or presentation;

2.    achieve a minimum level of accessibility through markup,
scripting, or other technologies that interact with user agents,
including assistive technologies;

3.    may reasonably be applied to all Web resources;

4.    are testable. some success criteria are machine-testable. Others
require human judgment. Success criteria that require human testing are
capable of yielding consistent results among multiple testers.



Level 2 success criteria

1.    Build on Level 1;

2.    enhance accessibility through presentation;

3.    may reasonably be applied to all Web resources;

4.    are testable. some success criteria are machine-testable. Others
require human judgment. Success criteria that require human testing are
capable of yielding consistent results among multiple testers.


Level 3 success criteria

1.    May provide essential benefits for users with specific
disabilities;

2.    may enhance accessibility for a broad range of users with
disabilities;

3.    may affect content as well as presentation and markup;

4.    may reasonably be applicable to selected resources;

5.    are testable. some success criteria are machine-testable. Others
require human judgment. Success criteria that require human testing are
capable of yielding consistent results among multiple testers. 



Gregg

------------------------

Gregg C Vanderheiden Ph.D. 
Professor - Depts of Ind. Engr. & BioMed Engr.
Director - Trace R & D Center 
University of Wisconsin-Madison 
<http://trace.wisc.edu/> FAX 608/262-8848  
For a list of our listserves http://trace.wisc.edu:8080/mailman/listinfo/ 
Received on Wednesday, 7 April 2004 10:00:19 GMT

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