Usability CT-UT Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A software vendor is bidding for a contract with a large enterprise. The vendor claims its product has 'excellent usability' but provides no data. Which approach would best substantiate this claim in a way that aligns with usability as a measurable quality characteristic?

   • ACompare the number of features with competitors.
   • BConduct a usability test and report metrics like task success, time on task, and error rate.
   • CRely on the vendor's internal design team's opinion.
   • DAsk the sales team to rate the product's ease of use.
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2. 12expert · hard

   A company has two competing designs for a new app. Design A has higher task success and lower time on task, but users report feeling confused and anxious. Design B has lower task success but users report feeling confident and calm. Which design should be chosen, and why?

   • ADesign B, because satisfaction is the only measure that matters.
   • BDesign A, because usability metrics are more objective than emotional responses.
   • CDesign B, because user confidence and calmness are part of UX and can lead to higher adoption.
   • DDesign A, because task success is the most important usability measure.
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4. 13application · medium

   A software company is deciding whether to invest in usability improvements for its customer relationship management (CRM) system. The sales team reports that the current system requires many clicks to log a call, and new hires take weeks to become proficient. Which argument best justifies usability as a critical quality characteristic?

   • APoor usability increases training costs and reduces productivity, directly impacting business efficiency and user satisfaction.
   • BUsability only affects the visual appeal of the system, which is a minor concern.
   • CUsability is only relevant for consumer apps, not for internal business software.
   • DUsability is a non-functional requirement that cannot be measured, so it is not a quality characteristic.
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5. 14foundation · easy

   How does the 'environment' component of context of use influence usability?

   • AThe environment only affects the aesthetic design of the user interface, not its usability.
   • BThe environment determines the programming language used to develop the software.
   • CEnvironmental factors such as lighting, noise, and temperature can affect user performance and satisfaction.
   • DThe environment has no influence on usability because usability is an inherent property of the software.
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6. 15foundation · easy

   Which of the following is an example of a user experience (UX) aspect that is NOT directly part of usability?

   • AThe percentage of users who complete a registration form without errors.
   • BThe user's rating of how easy the system is to use.
   • CThe user's emotional delight when using the product's interface.
   • DThe average time users take to find a product on an e-commerce site.
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