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Usability Testing: Personas, Scenarios, Use Cases, and Test Cases

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To create better test cases, Koray Yitmen says you must know your users. And the path to better test case creation in usability testing starts with the segmentation and definition of users, a concept known as personas. Contrary to common market-wise segmentation that focuses on users' demographic information, personas focus on users’ behavioral characteristics, animating them in the minds of designers, developers, and testers. Put these personas “on stage” and let them play their roles in user scenarios. Then, turn these scenarios into use cases and turn use cases into test cases—and you have created better test cases. Koray shares stories from his usability testing projects for multinational clients. Learn how to define personas and scenarios, and convert them into use cases and test cases. Using a few concepts and skills from engineering, psychology, sociology, and art, this is no ordinary test case creation session.

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Usability Testing: Personas, Scenarios, Use Cases, and Test Cases

  1. 1. Usability Testing Personas, Scenarios and Test Cases www.uxservices.com info@uxservices.com Tel: +90-212-290 76 61 Fax: +90-212-290 76 63
  2. 2. Personas, Scenarios and Test Cases Understanding user needs means understanding your test cases But how to better understand your user needs 2
  3. 3. Personas, Scenarios and Test Cases User Profiling Users are segmented / grouped under different representative profiles according to certain characteristics like: • • • • • • • • • Age Gender Educational Background Computer Use Internet Use Salary Range Online Activities Computer Use Comfort Level … 3
  4. 4. Personas, Scenarios and Test Cases User Profiling Gender Age 15% 20% 35% 30% 45% 17-25 25-35 35-45 45-65 55% Education 5% 20% 50% 25% Male Female Computer Skills 5% Hs Bcs Msc Phd Beg 40% 55% Inter Adv 4
  5. 5. Personas, Scenarios and Test Cases User profiling is not enough to understand the needs of a user because because it only tells the facts about your users like his/her ID card 5
  6. 6. Personas, Scenarios and Test Cases Personas Persona is description of a user. They are not real but imaginary examples of reals users that they represent Different than user profiling, personas tell the behaviour •of users; their likes, dislikes and patterns that they follow Each persona is given a name • Each persona has an image 6
  7. 7. Personas, Scenarios and Test Cases Personas tell us: • Who the users are • What are the activities they wish to perform • Why they might use our system • How our system fits into the context of their life 7
  8. 8. Personas, Scenarios and Test Cases Persona is like user’s Facebook page You have to act like a sociologist to define personas 8
  9. 9. Personas, Scenarios and Test Cases 9
  10. 10. Personas, Scenarios and Test Cases Mental models are what people really have in their heads and what guides their use of things 10
  11. 11. Personas, Scenarios and Test Cases Define the mental model of user needs who frequently use below web sites • hotwire.com • tripadvisor.com • groupon.com 11
  12. 12. Personas, Scenarios and Test Cases 12
  13. 13. Personas, Scenarios and Test Cases 13
  14. 14. Personas, Scenarios and Test Cases 14
  15. 15. Personas, Scenarios and Test Cases Mental Models • Opportunistic • Depends on trusted advice • Trendy 15
  16. 16. Personas, Scenarios and Test Cases Show Time 16
  17. 17. Personas, Scenarios and Test Cases Put these personas “on stage” and let them play their roles in user scenarios 17
  18. 18. Personas, Scenarios and Test Cases Scenarios • Assist us in thinking about use in context • Expose problems and opportunities for the service/product • Find and evaluate a design idea from multiple perspectives 18
  19. 19. Personas, Scenarios and Test Cases You have turned your scenarios into use cases and now turn your use cases into test cases 19

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