Marks of Good Usability!
- Is it Effective?
Is the product capable of doing what it is supposed to do?
- Is it Efficient?
Does it let people complete their tasks fast enough that it makes sense to do so!
- Is it Safe?
If you make a mistake, do you have a chance to correct it easily, or will the pictures of you at the club last night be sent to everyone in your address book?
- Does it have Utility
Does the product let you do everything you might want to do on it?
Can a user figure out what to do without you standing over their shoulder
- Memorability – this is a big one.
Once the user has used your product once, what are the chances they’re going to be able to remember what to do next time?