A SUMI test was conducted at an early point in the system test. The SUMI test results are shown below.
Based on these results, what would you recommend as the most appropriate approach for usability testing?
SUMI is a standardized questionnaire of users’ perceived software usability. Scores of 50 are average and 60 or above are high, so results around 55 indicate good or above-average—not uniformly high—satisfaction. Use-case-based usability testing complements these perception scores by observing whether representative users can complete the relevant tasks and by revealing the specific causes of any usability issues.
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