Re: Measurability in Silver

> We heard the complaint from several large innovative companies that they
had  to remove features that improved accessibility from their applications
because they didn't pass WCAG.

Is there an example of this that someone can provide? I know the opposite
can be true where a site can comply with WCAG and still be super hard to
use ... but it usually happens when some complicated legacy application gets
an order to conform to WCAG, so a layer of ARIA etc. is spread over it like
lipstick on a pig. I wouldn't say that that is WCAG's fault.

 Many of our audits include user testing with PWD and I depend on
them. However,
here are some of the fears I have in making user testing with people with
disabilities a requirement in WCAG.NEXT which might be referenced in law.

 1) What is a user with a disability? The United Nations’ Convention CRPD
recognizes that “disability is an evolving concept ... ” It is quite broad
and many companies could claim their users have a disability. Is someone
going to be able to say "no those users aren't qualified as people with
disabilities". Are we going to define what distinguishes a user with a
disability from one who doesn't have a disability?
2) How does a 3rd party verify user testing with disabilities was done?
3) How is the quality measured?  Some user testing is amazing and makes all
the difference, but legislated user testing sounds like it may not result
in very good quality.
4) What happens with diverse responses from users?  I've had one expert
screen reader user say they loved a particular function and the other
thought is was very difficult to use.
5) A site has to be pretty mature to have user testing, particularly if the
user needs assistive technology, which means its at the end of the
development process, when the "cement is hard".
6) When is it enough user testing. How many pages? How much time?

Cheers,
David MacDonald



*Can**Adapt* *Solutions Inc.*

Tel:  613-806-9005

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On Fri, Nov 9, 2018 at 12:52 PM Léonie Watson <tink@tink.uk> wrote:

> On 09/11/2018 17:35, Jennison Asuncion wrote:
> > "We heard the complaint from several large innovative companies that
> they had  to remove features that improved accessibility from their
> applications because they didn't pass WCAG.  That's a problem."
>
> +1
>
> >
> > I've often heard the phrase something like: "it complies, but is it
> usable?"
>
> +1
>
> >
> > I think a key to Silver is that there is a level of flexibility built-in
> to avoid both of these situations.
>
> +1
>
> We've all seen things built to conform to WCAG, but which are
> effectively unusable in the wild.
>
> We all advocate for users to be included throughout the production
> lifecycle, and for the usability of a thing to be considered a defining
> metric for success.
>
> We know that trying to document the requirements for each user group
> (and every variation within each group), simply isn't possible - at
> least, not to the extent that it can be distilled into a usable set of
> criteria/guidelines.
>
> Ultimately, we know that someone's ability to use a thing is the real
> acid test.
>
> So making usability a success metric for Silver not only seems like the
> logical thing to do, it also feels like the responsible thing to do.
>
> Léonie.
>
> >
> >
> > Just my $0.02.
> > Jennison
> >
> >
> >
> > ________________________________________
> > From: Jeanne Spellman [jspellman@spellmanconsulting.com]
> > Sent: Friday, November 9, 2018 8:58 AM
> > To: public-silver@w3.org
> > Subject: Re: Measurability in Silver
> >
> > Charles raises a very important issue:  Can the qualitative result be
> accepted as a measurable “pass”?.  I am interested in what you think about
> it.  The example is link with no underline that fails 1.4.1 Color Alone (a
> common design pattern).   Should Silver accept the results of a test with
> users that found that a large percentage were able to identify that it was
> a link, even though it was only defined by the difference in color? Should
> that be a pass?
> >
> > Should tests with users be able to change the pass/fail of the
> guidance?  I think that's an important question that I don't know the
> answer to yet.  It gives an opportunity to for companies with innovative
> responses to accessibility to prove that their approach is more accessible,
> even if it is a technical WCAG failure.  We heard the complaint from
> several large innovative companies that they had  to remove features that
> improved accessibility from their applications because they didn't pass
> WCAG.  That's a problem.  Testing with users with disabilities is a
> potential solution. I saw a presentation at A11yBOS where the presenter
> showed some visual designs that passed WCAG that were inaccessible.
> Testing with users with disabilities could encourage companies to move away
> from technical conformance to WCAG that is still inaccessible and focus on
> what works for users.
> >
> > On the other hand, testing with users with disabilities can be small
> datasets.  They can be skewed toward one disability  or levels of
> expertise.  Potentially, it might be easier to game the system by who was
> being selected to participate in the study.  I have seen testing with
> people with disabilities that provided very valuable accessibility
> information that goes well beyond WCAG requirements.  But do I want that to
> override other conformance measures?  I'm interested in some new ideas that
> could help safeguard people from abusing the system.
> >
> >
> >
> >
> >
> > On 11/7/2018 9:45 PM, David MacDonald wrote:
> > I think most WCAG evaluators would not include  transient states that
> last a split second on inline links unless there was some added value.
> >
> > On Tue, Nov 6, 2018 at 12:36 PM Hall, Charles (DET-MRM) <
> Charles.Hall@mrm-mccann.com<mailto:Charles.Hall@mrm-mccann.com>> wrote:
> > Following up on today’s conversation.
> >
> > RE: Testing as Pass/Fail versus Measurability
> >
> > All (or at least most) of the feedback, comments, and opposition to a
> “measurable” approach seem to suggest or imply that measurable means a
> scale – for example, a score of 1–5.
> >
> > Some thoughts based on a specific example:
> >
> > Success Criterion 1.4.1 Use of Color (Level A)
> > Color is not used as the only visual means of conveying information,
> indicating an action, prompting a response, or distinguishing a visual
> element.
> >
> > Technique
> > Situation A: If the color of particular words, backgrounds, or other
> content is used to indicate information:
> > G205: Including a text cue for colored form control labels
> > Test
> > For any content where color differences are used to convey information:
> > Check that the same information is available through text or character
> cues.
> >
> > Interpretation
> > “…text or character cues” here is intended to describe the “visual
> means” as defined in the SC. So there is a simple pass / fail test that
> “the same information” [as color] is visible.
> >
> > Hypothetical scenario
> > Element is a link. The information and indication of action is “this
> text is a link”. It is blue text within a line of black text that is not a
> link. It is not underlined. Links are stateful. There is only 1 of 5 states
> where there is no second explicit visual means. In the default state, there
> is color alone. In the focus, active, hover and visited states there are
> additional visual affordances as well as the user agent providing a pointer
> cursor where there is a pointing input device. There is even a selected
> state, and a pseudo after element that includes content of an icon that
> conveys the link is external.
> >
> > So, “same information is available through text or character cues” is
> true in 4 states, but not true in 1. Does this fail? Under WCAG 1.4.1, it
> does. Under Silver, there may be other options. As a scale (as suggested at
> the beginning), this could earn a 4 of 5. However, that then requires an
> enumerated mark such as ‘3 or higher’ to qualify as passing. There is
> another option. What if the test question was “do people understand from
> any visual cues that this text is a link?” Then that question was answered
> by test participants that included 60 people with a wide spectrum of visual
> abilities and color deficiencies. If the result was 49 of 60 said “yes”,
> and 8 of 60 said “yes, if” or “yes, when” and 3 said “no”, there is clearly
> a new grey area or middle ground beyond simply scoring on a scale. The
> qualitative result is that it passed, while the quantitative result is that
> it scored high enough to pass if the enumerated mark or threshold was 51%.
> Can the qualitative result be accepted as a measurable “pass”?
> >
> > Cheers,
> >
> >
> > Charles Hall // Senior UX Architect
> >
> > charles.hall@mrm-mccann.com<mailto:charles.hall@mrm-mccann.com
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