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Елизавета Скоморохова - Usability Expert Review

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Елизавета Скоморохова - Usability Expert Review

  1. 1. Usability Expert Review and usability testing ElizavetaSkomorokhova
  2. 2. What Do We Mean by ‘‘Usable’’? • Usefulness • Efficiency • Effectiveness • Learnability • Satisfaction • Accessibility
  3. 3. What is make something less usable? • Development focuses on the machine or system. • Target audiences change and adapt. • Designing usable products is difficult. • Team specialists don’t always work in integrated ways. • Design and implementation don’t always match.
  4. 4. Development Focuses on the Machine or System somebody (human); 33% something (activity); 33% some place(context); 33%
  5. 5. Nonintegrated approach to product development technical communactions User Interface Design Help and Embedded Assistance
  6. 6. Integrated approach to product development User interface design Help and Embedded Assistance Technical Communications
  7. 7. What Makes Products More Usable? • An Early Focus on Users and Tasks • Evaluation and Measurement of Product Usage • Iterative Design and Testing
  8. 8. What Are Techniques for Building in Usability? • Ethnographic Research • Participatory Design • Focus Group Research • Surveys • Paper Prototyping • Expert or Heuristic Evaluations • Usability Testing
  9. 9. What is usability? The effectiveness,efficiency and satisfaction with which specified users achieve specified goals in particular environments.
  10. 10. What Is Usability Testing?
  11. 11. Why Test? Goals of Testing • Informing Design • Eliminating Design Problems and Frustration • Improving Profitability
  12. 12. Usability Expert Review
  13. 13. 10 Usability Heuristics by Jakob Nielsen
  14. 14. 1. Visibility of system status
  15. 15. 2. Match between system and the real world
  16. 16. 3. User control and freedom
  17. 17. 4. Consistency and standards
  18. 18. 5. Error prevention
  19. 19. 6. Recognition rather than recall
  20. 20. 7. Flexibility and efficiency of use
  21. 21. 8. Aesthetic and minimalist design
  22. 22. 9. Help users recognize, diagnose, and recover from errors
  23. 23. 10. Help and documentation
  24. 24. How to conduct an Expert Review
  25. 25. How to conduct an Expert Review Define application or website goals Define Personas Define users’ main scenarios Expert review Write a report
  26. 26. Report example
  27. 27. Usability testing
  28. 28. Usability testing types

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