w4a 2010 education tool to support the educational process chris bailey
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W4A 2010 Educatioal Tool to Support the Evaluation ProcessTRANSCRIPT
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Christopher BaileyDr. Elaine Pearson
Teesside University
An Educational Tool to Support the Accessibility Evaluation Process
![Page 2: W4A 2010 Education Tool to Support the Educational Process Chris Bailey](https://reader035.vdocuments.net/reader035/viewer/2022062614/54797959b37959652b8b4784/html5/thumbnails/2.jpg)
Main Issues
• Guide novice auditors through an evaluation, raise awareness of accessibility.
• Compile a detailed list of checks based on testing for well known accessibility principles
• Support a contextual approach to evaluation.
• Our students need support with accessibility:
– Little existing knowledge of accessibility– Develop live websites for specific audiences– Accessibility personally a low priority– Limited access to disabled end users– Limited access to expert reviewers
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Functionality (1)
• The tool lists accessibility checks based on three evaluation contexts:
– User Group– Site Features– Check Categories
• For each check, the tool:
– States the impact the issue has on users– Provides instructions on how to perform each check – Assists auditor in interpreting result of any
automated check– Includes a video ‘how to’ walkthrough
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Functionality (2)
• Auditor records results of checks as they progress.
• Print a template, or completed evaluation report.
• Supports multiple users
• Supports multiple site evaluations.
• User can save/retrieve evaluations.
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Evaluate by User Group• Auditor views prioritised checks for one user group
• Compare different requirements of two user groups.
• Importance of check is dynamic:
– Critical Checks: Complete barrier, significant annoyance to user.
– Important Checks: Noticeable annoyance or inconvenience
• Allows auditor to see commonalities, but also identify exceptions.
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• Utilises the full database of checks, supporting the concept of universal accessibility
• Checks are grouped to make process simpler and intuitive
– Design Checks: overall visual design, e.g.: colour contrast– User Checks: testing with a human element, e.g.: keyboard
accessibility, image text alternatives– Structural Checks: structure of web pages, e.g.: semantic HTML– Technical Checks: coding elements, e.g.: valid mark-up,
metadata– Core Checks: Overall accessibility of site, e.g.: site map,
accessibility statement
• Considers roles in web development team
Evaluate by Check Categories
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Evaluate by Site Features
• Auditor selects elements of their site they wish to check, e.g.: data tables, forms.
• Auditor selects content features of their website, e.g.: video files.
• Checks are tailored to content of website:
– Prioritises relevant checks– Streamlines process– Increases relevance– Eliminates redundancy.
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Future Work• “Dogfooding” – Create accessible RIA
• Further development of tool over next 2-3 months.
• Used for teaching Post Graduate students.
• Expanded to include checks for other contexts, e.g.: WCAG 2.0, Mobile Devices, RIAs.
• Test the performance of the tool:
– Is it effective?– Are results consistent?– Compare with existing evaluation methods.
![Page 9: W4A 2010 Education Tool to Support the Educational Process Chris Bailey](https://reader035.vdocuments.net/reader035/viewer/2022062614/54797959b37959652b8b4784/html5/thumbnails/9.jpg)
Christopher BaileyDr. Elaine Pearson
Teesside University
An Educational Tool to Support the Accessibility Evaluation Process
![Page 10: W4A 2010 Education Tool to Support the Educational Process Chris Bailey](https://reader035.vdocuments.net/reader035/viewer/2022062614/54797959b37959652b8b4784/html5/thumbnails/10.jpg)
AEA Interface (1)
• Example comparison of high priority checks for Dyslexia and Screen Reader User groups.
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AEA Interface (2)
• For each check the following information is provided:
– Why the check is necessary– Step by step instructions on how to carry out the check– A video walkthrough
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AEA Interface (3)
• The AEA contains an integrated reporting mechanism so the auditor can record their results as they complete an evaluation.