Ramon

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Ramon

  1. 1. User tests demonstration Real experiences in measuring web accessibility needs for people with disabilities and the elderly ___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge Ramón Corominas Technosite – ONCE Foundation www.technosite.es 21st April 2009
  2. 2. Contents <ul><li>Web accessibility assessment </li></ul><ul><li>Expert analysis vs. User tests </li></ul><ul><li>Diversity of users </li></ul><ul><li>Some findings </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  3. 3. Accessibility evaluation methodology <ul><li>Phase 1: assessment </li></ul><ul><li>Phase 2: recommendations </li></ul><ul><li>Phase 3: monitoring </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  4. 4. Web accessibility assessment <ul><li>UWEM/MEWA </li></ul><ul><li>Sample of pages </li></ul><ul><li>Automatic testing </li></ul><ul><li>Expert analysis </li></ul><ul><li>User tests </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  5. 5. Sample of pages <ul><li>Basic structure of the site </li></ul><ul><li>Technical elements and special formats </li></ul><ul><li>Content by topic </li></ul><ul><li>Random pages </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  6. 6. Audit report <ul><li>WCAG 1.0 and 2.0 </li></ul><ul><li>Expert analysis: automated, manual, AT </li></ul><ul><li>Issues detected </li></ul><ul><ul><li>ID, severity, frequency </li></ul></ul><ul><ul><li>Detailed description </li></ul></ul><ul><ul><li>Example of wrong code/screen captures </li></ul></ul><ul><ul><li>Technical solutions and suggestions </li></ul></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  7. 7. User tests <ul><li>Real world tasks and users </li></ul><ul><li>No previous experience </li></ul><ul><li>Measures: success, time, satisfaction </li></ul><ul><li>General impressions and difficulties found </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  8. 8. Diversity of users <ul><li>Blind </li></ul><ul><li>Low vision </li></ul><ul><li>Deaf </li></ul><ul><li>Limited movement of the hand </li></ul><ul><li>Cognitive disability </li></ul><ul><li>Elderly </li></ul><ul><li>No-disability </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  9. 9. Blindness <ul><li>Flash content (even “accessible”) </li></ul><ul><li>Too much information </li></ul><ul><li>Long processes </li></ul><ul><li>Accesskeys don’t always help </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  10. 10. Low vision <ul><li>Follow conventions (menus, links) </li></ul><ul><li>Contrast of forms and visited links </li></ul><ul><li>Bright background and thin fonts </li></ul><ul><li>Very small fonts and icons </li></ul><ul><li>Bigger is not always better </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  11. 11. Limited movement of the hand <ul><li>Small links and buttons </li></ul><ul><li>Time limits </li></ul><ul><li>Wrong alt text for images with links </li></ul><ul><li>Repeated links </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  12. 12. Deafness, cognitive, elderly <ul><li>Language used (easy to read material) </li></ul><ul><li>Information Architecture </li></ul><ul><li>Accompanying icons, pictograms, videos </li></ul><ul><li>Distracting content </li></ul><ul><li>Redundant information </li></ul><ul><li>Elderly: variety of disabilities </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  13. 13. Conclusions <ul><li>Web accessibility assessment: </li></ul><ul><ul><li>Expert analysis </li></ul></ul><ul><ul><li>User tests </li></ul></ul><ul><li>Different users => different needs </li></ul><ul><li>More precise recommendations </li></ul><ul><li>Better websites </li></ul>___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
  14. 14. Thank you! ___________________________________________________ User tests demonstration ___________________________________________________________________ WWW2009 - W4A Challenge 21st April 2009
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