Usability and Accessibility Lecture 5 – 02/03/10. Heuristics as a design approach. Setting the scene. “Rehabilitation Robotics in Europe” c.1997 EU funded many projects under TIDE initiative LOTS of money!!! Projects generally major disasters Let’s see why ….
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Usability and AccessibilityLecture 5 – 02/03/10
Needed a user-centred design approach!
Can we use Nielsen’s heuristic in the design process?
user wants/needs system requirements
develop a usable system for “all” users
verify/validate for all users
Also known as the 5-level model
See Keates and Clarkson “Countering design exclusion”
From: Keates & Clarkson “Countering design exclusion”
requirementsLevel 1 – Understanding the system requirements
Need to define:
Typical user stereotypes
Most capableInclusive design philosophies
<€100Examples of the different approaches
AN Other Mouse
Whole for accessibility”)
populationWhat is exclusion?
“Designers design for themselves”
Examples to follow…
SENSORY for accessibility”)
COGNITIVEHow are people excluded?
People are excluded based on their capabilities (DFS)
• locomotion • hearing
• reach and stretch • vision
• intellectual functioning • communication
and the demands made by the product
We will look at the implications of multiple impairments later…
We will look a lot more closely
at this next week
Look through the WCAG guidelines: