A usability team has collected both quantitative and qualitative data from a usability test. The quantitative data shows a high task success rate, but the qualitative data reveals that participants were frustrated and confused. What is the most appropriate conclusion?

The qualitative data is unreliable and should be ignored

The test was flawed because the results are contradictory

The product is usable because the success rate is high

The high success rate is misleading; the qualitative data indicates underlying usability problems

During a usability test, a participant asks the moderator for help completing a task. The moderator's goal is to measure the task success rate without assistance. What should the moderator do?

Politely decline to help and encourage the participant to try on their own

Provide help and note that the participant received assistance

Help the participant and exclude that task from analysis

Certified Tester Usability Testing

Domain 1Objective 4

Usability Evaluation CT-UT Practice Questions (Page 7)

Part of the Basic Concepts domain, which makes up ~26% of our current practice bank. ISTQB does not publish an official question count, but from its 60-minute exam (~25–40 total, ~7–10 in this domain), expect 1–1 from this objective — we provide 32 practice questions to prepare you well beyond it. (estimate)

32questions here

7free pages

7concepts

Questions 31–32

31expert · hard
A usability team has collected both quantitative and qualitative data from a usability test. The quantitative data shows a high task success rate, but the qualitative data reveals that participants were frustrated and confused. What is the most appropriate conclusion?
Select an answer first
32application · medium
During a usability test, a participant asks the moderator for help completing a task. The moderator's goal is to measure the task success rate without assistance. What should the moderator do?
Select an answer first

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Usability Evaluation CT-UT Practice Questions (Page 7)

Questions 31–32

A usability team has collected both quantitative and qualitative data from a usability test. The quantitative data shows a high task success rate, but the qualitative data reveals that participants were frustrated and confused. What is the most appropriate conclusion?

During a usability test, a participant asks the moderator for help completing a task. The moderator's goal is to measure the task success rate without assistance. What should the moderator do?

Keep studying — Basic Concepts