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A four-point scoring method can be used for each task:

1 = No problem. The user completed the task successfully without any difficulty or inefficiency.

2 = Minor problem. The user completed the task successfully but took a slight detour. He made one or two small mistakes but recovered quickly and was successful.

3 = Major problem. The user completed the task successfully but had major problems. She struggled and took a major detour in her eventual successful completion of the task.

4 = Fa...

From

Cover of Measuring the User Experience, 2nd Edition

Note

DAWSON REPORT - include in report