The document discusses accessibility and usability of websites, specifically as they relate to the Northern Territory government in Australia. It notes that over 20% of the NT population is over 50 years old and many have disabilities. The document outlines Australian legal requirements for website accessibility, which include compliance with WCAG 2.0 guidelines. It discusses various methods for evaluating accessibility, such as manual evaluation, automatic evaluation, and user experience testing. Usability is also covered, including principles like efficiency, effectiveness and satisfaction. Methods for evaluating usability like heuristic analysis and user testing are described. The document concludes by outlining steps to assess the accessibility and usability of the NT Department of Chief Minister website.

1. Accessibility and Usability of
Website

2. DEPARTMENT OF CHIEF MINISTER

3. Accessibility and
Usability and its
Methods

4. 211,945 people living in Northern Territory Australia
― ABS 2013

5. 51.7 % are male
48.3 % are female

6. 21.9% are people who’s
age is 50 and above
Majority of people are with disabilities that
has unpaid assistance.

7. ACCESSIBILITY
is very important for government
website
Therefore,

8. Is your website
accessible?

11. Australian Legal
Requirements for
Accessibility

13. Required to submit to
― Australian Government Web Guide
Reports and updates
OOC and SIGB in
compliance to WCAG 2.0
guidelines

14. Access to information, communications and services,
including internet, is a human right.
― Australian Government Web Guide

15. Accessibility
Guidelines

16. WAI Accessibility
Guidelines and Techniques
• Authoring Tool Accessibility
Guidelines (ATAG)
• User Agent Accessibility
Guidelines (UAAG)
• Web Content Accessibility
Guidelines (WCAG)
― Henry 2006

17. Four Principles of WCAG 2.0
• Perceivable
• Operable
• Understandable
• Robust

19. Manual Evaluation
Experts examine each pages of the website
and gives feedback
(Hassanzadeh and Navidi 2010)

20. Automatic Evaluation
Has tools that scan and evaluate
each pages that corresponds to W3C
Guidelines or DDA
(Hassanzadeh and Navidi 2012)

21. User Experience
Experts will provide the users a series of tasks to perform and
once the user operated the website, difficulties or confusion
starts to appear.
(Hassanzadeh and Navidi 2012)

22. Discount Accessibility Method
It is a combination of automatic and manual method.
(Hassanzadeh and Navidi 2012)

23. Fully Integrated Accessibility Method
Combination of all methods that involves
experts

24. Usability

25. How users use web
― Steve Krug 2006

26. We don’t read pages.
We scan them.

27. We don’t make optimal choices.
We satisfice.

28. We DONT figure
out how things work.
We muddle through.

29. International Usability
Standards

30. Promotes best
practice, independent, encourages
consistency and it means business.
― Travis 2008

31. Dimensions of Usability
• Efficiency
• Effectiveness
• Satisfaction
― Preece, Rogers, Sharp 2012

32. Krug’s Law of Usability

33. Don’t Make Me Think
―Steve Krug 2000

34. It doesn’t matter how many
times I have to click
―Steve Krug 2000
as long as each click is
mindless, unambiguous choice

35. Omit Needless Words
―Steve Krug 2000

36. Evaluation

37. Analytical Evaluation
usually performed by experts and no
users involved
―Te’eni, Carey & Zang
2007

38. Analytical Evaluation Techniques
• Heuristic Evaluation
• Guideline Review
• Cognitive Walk-Through
• Pluralistic Walk-Through
• User mode-based Analysis
• Framework based Inspection
―Te’eni, Carey & Zang
2007

39. Empirical Evaluation
Involves users and gathering
information on how users interact to
the computer or system
―Te’eni, Carey & Zang
2007

40. Empirical Evaluation Techniques
• Survey or Questionnaire
• Interview
• Lab-Controlled Experiment
• Field Studies
―Te’eni, Carey & Zang
2007

41. Assessing the Department
of Chief Minister Website

42.  Recollect & Reflect
 Need Finding
 Resources
 Participants
 Pilot Testing
 User Testing