- How should a system prevent users from making mistakes?
- Which factors a designer needs to consider while designing the user interface?
How should a system prevent users from making mistakes?
Prevent mistakes by helping the user to build a good mental model of your interface. Use design patterns that communicate how they work to users, encourage users to double-check their work (especially before deleting), and warn before mistakes are made.
Which factors a designer needs to consider while designing the user interface?
There are three factors that should be considered for the design of a successful user interface; development factors, visability factors and acceptance factors.