Exam-style question
Try this first
Which result gives the strongest evidence that a system is usable?.
- A.New users complete common tasks accurately with little instruction
- B.The program source code contains many separate modules
- C.The program runs on two different operating systems
- D.The program uses less storage space after installation
Model answer
What a good answer should say
- New users complete common tasks accurately with little instruction
Explanation
Why this works
Usability is concerned with how easily intended users can learn and operate the system. Observing new users complete tasks is direct evidence of this criterion.
Common mistake
No common mistake is linked to this question yet.