Unit 3


Unit 3: Factors to be considered when designing a

Consistancy of pop up information:

  • Aids navigation - should be in same place on each screen & easy to navigate from places

On-screen Help:

  • Easy feature whih replaces manuals - may incorporate online tutorials

Layout appropriate to task:

  • Learning packages for children / CAD used by people who are trained to use it

Clear Navigational Structure:

  • Make it clear where the user is to go next - text near hotspots telling users to use them.
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Unit 3: Adapted HCI for Sensory Problems & Motor P

Sensory Problems - difficulty in seeing the screen or not seeing the screen at all.

Solved by:

  • Braille printers or keyboards
  • Make the text larger or change the colour of the text to suit colour blind people.
  • Use speech synthesisers to spell the words out.

Motor Problems - not being able to use a keyboard or mouse.

Solved by:

  • Touch screen or biometric devices
  • Biometric methods such as voice recognition or retinal scans
  • Specially designed interfaces with input devies such as blow pipes and eye movement devices.
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