Startseite » Heuristic Evaluation » The problems you found + severity rating of these problems

The problems you found + severity rating of these problems

In our heuristic evaluation we found two problems, after a long discussion. The first one is located in „the visibility of the system status“. There is no High-Score display during the game. Even though we had it in our Storyboard we just forgot it. Furtunately we made a heuristic evaluation ;).

The second one is a problem  of „Recognition rather than recall“ and of „Flexibility and efficiency of use“. The issue is about the photo the user makes for the high score at the end of the game. Sometimes the user accidently triggers the „photobutton“ because his/her hand graces over it.


For the rating of these problems we used Jakob Nielsen’s rating scale to rate the severity:

= I don’t agree that this is a usability problem at all
= Cosmetic problem only: need not be fixed unless extra time is available on project
= Minor usability problem: fixing this should be given low priority
= Major usability problem: important to fix, so should be given high priority
= Usability catastrophe: imperative to fix this before product can be released


Since we all did the heuristic evaluation we decided to take the highest rating into account. For the first problem the ratings were




So we fixed it immediately!

For the second problem the ratings were




so we gave it a high priority.




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