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Rules of Usability
S.Gopinath
Department of Physical Science
Vavuniya Campus,
University of Jaffna,
Sri Lanka
Don’t Make Me Think
So many questions ?S.Gopinath 2
We Scan..
When you’re creating a site, your job is to get rid of the question marks.S.Gopinath 3
Things that make us think
The name that has chosen for button
S.Gopinath 4
Things that make us think
Links and buttons that aren’t obviously clickable
S.Gopinath 5
Things that make us think
“mental chatter”
There’s a puzzling error at the end.S.Gopinath 6
Good Application Should Have ?
• No question marks.
• No mental chatter.
• No errors.
S.Gopinath 7
Things that users shouldn’t spend their
time thinking about
• Where am I?
• Where should I begin?
• Where did they put _____?
• What are the most important things on this
page?
• Why did they call it that?
• Is that an ad or part of the site?
S.Gopinath 8
If you can’t make something
self-evident, you at least
need to make it self-
explanatory.
S.Gopinath 9

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Rules of usability

  • 1. Rules of Usability S.Gopinath Department of Physical Science Vavuniya Campus, University of Jaffna, Sri Lanka
  • 2. Don’t Make Me Think So many questions ?S.Gopinath 2
  • 3. We Scan.. When you’re creating a site, your job is to get rid of the question marks.S.Gopinath 3
  • 4. Things that make us think The name that has chosen for button S.Gopinath 4
  • 5. Things that make us think Links and buttons that aren’t obviously clickable S.Gopinath 5
  • 6. Things that make us think “mental chatter” There’s a puzzling error at the end.S.Gopinath 6
  • 7. Good Application Should Have ? • No question marks. • No mental chatter. • No errors. S.Gopinath 7
  • 8. Things that users shouldn’t spend their time thinking about • Where am I? • Where should I begin? • Where did they put _____? • What are the most important things on this page? • Why did they call it that? • Is that an ad or part of the site? S.Gopinath 8
  • 9. If you can’t make something self-evident, you at least need to make it self- explanatory. S.Gopinath 9