A zero in eChecker equals 10 in eXaminator: a comparison between two metrics by their scores
RDWG Symposium on Website Accessibility Metrics
As the stock market uses the
"Dow Jones" index...
why not an index of
accessibility?
web@x: web at eXaminator
A zero in eChecker equals 10 in eXaminator: a comparison between two metrics by their scores
RDWG Symposium on Website Accessibility Metrics
What about the reliability of tests?
Are they good?
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1 million pages analysed
hundreds of users in Portugal and Brazil
used in dozens of projects as an element
for supporting the development work
A zero in eChecker equals 10 in eXaminator: a comparison between two metrics by their scores
RDWG Symposium on Website Accessibility Metrics
What happens when eXaminator is
compared with other validators?
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In 2009 we tried to update Walidator (UWEM 1.2) with
the same tests as eGovMon checker's, trying to
compare test by test;
Preliminary results with Portuguese Municipalties were
frustrating
The analyses by score, as you could see, aren't very
conclusive either
A zero in eChecker equals 10 in eXaminator: a comparison between two metrics by their scores
RDWG Symposium on Website Accessibility Metrics
WCAG 2.0 – AccessMonitor
www.acesso.umic.pt/accessmonitor
Different formulas:
True:
if(C==True) R=G*P
False: if(C==False) R=G*P
Proportional: R=(G-((G/E)*C))*P
Decreasing: R=(G-((C-T)/F))*P
References:
R: Result
E: Element
C: Instance
G: Grade
P: Weight (Value*Trust)
T: Tolerance
F: Fraction