Standardized Questionnaires CT-UT Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A usability team is evaluating a new software product for a specialized domain, such as a medical imaging system used by radiologists. They need to assess user satisfaction and usability in a way that is sensitive to the specific domain and user population. Which approach is most appropriate?

   • AUse the Questionnaire for User Interaction Satisfaction (QUIS) because it is comprehensive.
   • BUse a standardized questionnaire like SUS, but supplement it with domain-specific questions.
   • CUse the Software Usability Measurement Inventory (SUMI) because it provides subscales.
   • DUse a custom questionnaire developed from scratch for this specific product.
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2. 12application · medium

   A usability team is using the System Usability Scale (SUS) to evaluate a new website. They notice that participants who are not native English speakers struggle with some of the wording in the questionnaire. What is the most appropriate action to mitigate this issue?

   • AUse a validated translation of the SUS questionnaire.
   • BExclude non-native speakers from the study.
   • CProvide a glossary of terms used in the questionnaire.
   • DAllow participants to ask the moderator for clarification during the questionnaire.
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4. 13foundation · easy

   When interpreting results from a standardized questionnaire, what is a key step to ensure valid conclusions?

   • AUse the scores to directly identify specific usability defects.
   • BCompare the obtained scores with established benchmarks or norms from similar products.
   • CFocus only on the overall score and ignore subscale scores.
   • DAverage the scores of all participants without considering individual differences.
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5. 14application · medium

   A usability team is using the System Usability Scale (SUS) to evaluate a new medical device interface. They notice that participants tend to give high ratings because they are impressed by the advanced technology, even though they struggle to complete tasks. What is the most likely bias affecting the results, and what is the best mitigation?

   • ASocial desirability bias; mitigate by ensuring anonymity and emphasizing that negative feedback is valuable.
   • BHalo effect; mitigate by counterbalancing the order of tasks and questionnaires.
   • CSampling bias; mitigate by recruiting a more representative sample.
   • DAcquiescence bias; mitigate by using negatively worded items.
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6. 15foundation · easy

   A usability team wants to evaluate a complex software product and needs a questionnaire that provides detailed feedback on multiple dimensions such as efficiency, affect, helpfulness, control, and learnability. Which standardized questionnaire is best suited for this purpose?

   • ASoftware Usability Measurement Inventory (SUMI)
   • BSystem Usability Scale (SUS)
   • CPost-Study System Usability Questionnaire (PSSUQ)
   • DQuestionnaire for User Interaction Satisfaction (QUIS)
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