ISO Usability Standards CT-UT Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A software company is developing a new project management tool. The team has decided to follow ISO 9241-210 for human-centred design. Which practice is MOST aligned with the principles of ISO 9241-210?

   • AConducting a single usability test at the end of the project to validate the design
   • BRelying solely on the development team's expertise to make design decisions
   • CInvolving users throughout the design and development process, from requirements to final evaluation
   • DDesigning the interface first, then asking users for feedback after the product is complete
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2. 7application · medium

   A usability specialist is evaluating a new self-service kiosk for airport check-in. The kiosk is used by travelers of varying ages and technical skills. The specialist wants to apply ISO 9241-11 to measure usability. Which measurement approach BEST reflects the ISO 9241-11 definition?

   • AMeasure only the time it takes for the fastest user to complete check-in
   • BMeasure task success rate, time to complete check-in, and user satisfaction for a representative sample of travelers in the airport environment
   • CConduct a survey of travelers' opinions about the kiosk's color scheme and branding
   • DAsk a group of expert usability consultants to rate the kiosk's interface based on heuristics
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4. 8expert · hard

   A usability team is designing a new interface for a complex industrial control system. The system is used by operators with varying levels of experience. The team has limited access to operators for testing. According to ISO 9241-210, which strategy is MOST appropriate for ensuring human-centred design under these constraints?

   • ADesign the interface based on the operators' job descriptions and standard operating procedures
   • BConduct a single usability test with all available operators at the end of the design process
   • CRely on the design team's domain knowledge and expert reviews, as user access is too limited
   • DUse a combination of contextual inquiry with a few operators, iterative prototyping, and remote usability testing to maximize user input with limited access
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5. 9application · medium

   A product team is redesigning an internal HR portal. The project manager wants to follow ISO 9241-210 human-centred design principles. The team has already conducted field interviews with employees and created user personas. According to ISO 9241-210, which activity should the team perform NEXT in the design cycle?

   • ADefine the organizational IT security policy for the portal
   • BConduct a summative usability test with a fully functional prototype
   • CProduce design solutions that address the user requirements and context of use
   • DSelect the technology stack for the portal implementation
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6. 10expert · hard

   A usability specialist is evaluating a mobile app for stock trading. The app is used by both novice and expert traders. The specialist finds that novice users have a 70% task success rate and take 5 minutes per trade, while expert users have a 95% success rate and take 1 minute per trade. According to ISO 9241-11, how should the specialist report the usability of the app?

   • AReport a single average usability score combining both user groups
   • BReport only the novice users' results, as they are the ones who need improvement
   • CReport only the expert users' results, as they are the primary target audience
   • DReport usability separately for novice and expert users, since ISO 9241-11 requires specifying the users and context of use
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