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ISTQB ATA Exam - Topic 1 Question 99 Discussion

Actual exam question for ISTQB's ATA exam
Question #: 99
Topic #: 1
[All ATA Questions]

A SUMI test was performed at an early stage within the system test. Hereafter you find the results of the SUMI test.

Based on these results, what would you recommend as the most appropriate approach for usability testing?

[K4] 3 credits

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Suggested Answer: D

by Gregoria at Jan 05, 2026, 05:16 AM

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Katina
3 days ago
The SUMI results look like a mixed bag. Time to get the users involved and see what's really going on!
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Lorenza
8 days ago
B) Whoa, that standard deviation is way too high! A new SUMI test is a must.
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Art
14 days ago
D) Heuristic evaluation could provide more insights into the specific areas that need improvement.
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Alise
19 days ago
C) Looks like the scores aren't that great, so additional usability testing based on real user scenarios is definitely needed.
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Scot
24 days ago
I’m a bit confused about the implications of the scores. If they’re above average, does that really mean we can skip further testing? I’m not sure about option A.
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Tequila
29 days ago
I feel like we practiced a question similar to this, and I think option D makes sense since it suggests a focused approach on the lower scales.
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Iluminada
1 month ago
I’m not sure, but I think if the standard deviation is high, it might indicate inconsistent user experiences. Maybe option B is worth considering?
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Shantay
1 month ago
I remember discussing how high SUMI scores don't always mean the product is user-friendly, so I’m leaning towards option C.
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Geoffrey
1 month ago
Alright, let's think this through. The SUMI results don't seem to be painting a clear picture, so I'd probably go with option D and recommend a heuristic evaluation to dig deeper into the lower-scoring areas. That could help us identify any specific usability issues.
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Salena
2 months ago
I'm a bit confused by this one. The scores seem decent overall, but I'm not sure if that's enough to say no further action is needed. Maybe a combination of approaches, like use case testing and a heuristic review, would be the way to go.
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Walker
2 months ago
The standard deviation on some of those scales is pretty high, so I'm not sure I'd just go with another SUMI test. Maybe a more focused heuristic evaluation could give us some better insights into what's going on.
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Fidelia
2 months ago
Hmm, this looks like a tricky one. The SUMI scores seem a bit mixed, so I'm not sure if just relying on those is the best approach. I might lean towards option C and recommend some additional usability testing based on specific use cases.
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