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Usability Testing
 

Usability Testing

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Guest lesson usability testing UGent - Belgium

Guest lesson usability testing UGent - Belgium

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  • Engineers are more comfortable with the scientific issues associated with systems\n\nNot rewarded for interpersonal “people” skills but for their ability to solve technical problems\n
  • Engineers and programmers traditionally placed the emphasis on the Action part\nMuch less on the human and environment parts\nRelationship between these parts have also been neglected\n
  • Methods and techniques are needed to help designers change the way they view and design products => User-Centered Design (UCD)\n
  • ‘User-Centered Design (UCD) is a user interface design process that focuses on usability goals, user characteristics, environments, tasks and workflow in the design of an interface. The UCD process is an iterative process, where design and evaluation steps are built in from the first stage of projects, through implementation .’ - Shawn Lawton Henry - Accessibility in UCD process\n\n
  • Product can be: sketch, low / high-fidelity prototype, mockup, actual application\n
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  • Effectiveness/accurate: How many mistakes did people make? (And were they fatal or recoverable with the right information?)\n\nEfficiency: How much time, and how many steps, are required for people to complete basic tasks?\n\nSatisfaction: How does the person feel about the tasks completed? Is the person confident, stressed? Would the user recommend this system to a friend?\n
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  • Source: Jakob Nielsen & Tom Landauer\nTesting 5 users will tend to uncover 85% of usability problems\nSerious case of diminishing returns for testing additional users\n
  • RITE = Rapid Iterative Testing and Evaluation\n
  • ‘User-Centered Design (UCD) is a user interface design process that focuses on usability goals, user characteristics, environments, tasks and workflow in the design of an interface. The UCD process is an iterative process, where design and evaluation steps are built in from the first stage of projects, through implementation .’ - Shawn Lawton Henry - Accessibility in UCD process\n\n
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  • No need for an experienced data logger\nWho knows when a task starts and when a task is completed or not\nMeasures task completion\nData logger is a distraction to the participant\n
  • The researcher later analyzes the data collected by the tool and reports the results.\n
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Usability Testing Usability Testing Presentation Transcript