Usability and accessability

Question 1

Explain what “usability” means.
(+ the five E’s)

Answer 1

How easy a design’s user interface is to use and how functional a product or design is.

The five E’s of usability:
- Effective (can do what they want)
- Efficient (quickly)
- Easy to learn
- Error tolerant
- Engaging

Question 2

Explain the overlap and commonalities between usability and accessibility

Answer 2

Accessibility: increases the chances of more people being able to use a product or design regardless of their abilities

Usability: for everyone

Overlap: For example does high contrasting colors help people with low vision and people watching the mobile screen in sunlight

Question 3

Explain the differences between usability and accessibility.

Give an example

Answer 3

If all images on a website are assigned very long text alternatives, the images may be accessible, but listening to long alternative text creates usability issues.

Reports should highlight accessibility issues and detail which users with disabilities the issues affect.