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- Learnability
- Simple homepage, with few elements
- Looks like Google page (consistency with popular interfaces)
- Visibility
- Having search parameters at the top of the results page makes it clear what was searched for.
- Efficiency
- Search bar at the top of results page makes it efficient to start over
- Typing whatever you want and letting the system parse makes searching efficient
- Error Prevention/Correction
- Modifying search criteria is easy
- Coding up the natural language processing will be difficult.
Design 2
- Learnability
- Starting page is a series of forms consisting of textboxes and buttons, which is familiar to internet usersInternet users.
- Wizard Pattern helps guide the user through the stages.
- Visibility
- Having search parameters at the top of the results page makes it clear what was searched for.
- Efficiency
- Confirmation page increases time taken to view search results.
- Error Prevention/Correction
- Confirmation page gives a chance to check search criteria
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