Елизавета Скоморохова - usability expert review
TRANSCRIPT
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Usability Expert Review and
usability testingElizaveta Skomorokhova
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What Do We Mean by ‘‘Usable’’?
• Usefulness• Efficiency• Effectiveness• Learnability• Satisfaction• Accessibility
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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.
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Development Focuses on the Machine or System
somebody (human); 33%
something (activity); 33%
some place (context); 33%
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Nonintegrated approach to product development
technicalcommunactions
User InterfaceDesign
Help andEmbeddedAssistance
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Integrated approach to product development
User interface design
Help and Embedded Assistance
Technical Communications
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What Makes Products More Usable?
• An Early Focus on Users and Tasks• Evaluation and Measurement of Product Usage• Iterative Design and Testing
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What Are Techniques for Building in Usability?
• Ethnographic Research• Participatory Design• Focus Group Research• Surveys
• Paper Prototyping• Expert or Heuristic Evaluations• Usability Testing
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What is usability?
The effectiveness, efficiency and satisfaction with which specified users achieve specified goals in particular environments.
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What Is Usability Testing?
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Why Test? Goals of Testing
• Informing Design• Eliminating Design Problems and Frustration• Improving Profitability
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Usability Expert Review
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10 Usability Heuristics by Jakob Nielsen
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1. Visibility of system status
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2. Match between system and the real world
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3. User control and freedom
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4. Consistency and standards
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5. Error prevention
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6. Recognition rather than recall
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7. Flexibility and efficiency of use
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8. Aesthetic and minimalist design
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9. Help users recognize, diagnose, and recover from errors
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10. Help and documentation
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How to conduct an Expert Review
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How to conduct an Expert Review
Define application or website goals
Define Personas
Define users’ main scenarios
Expert review
Write a report
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Report example
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Usability testing
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Usability testing types
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