Basic concepts - Usability Evaluation in Human-Centered Design
11 important questions on Basic concepts - Usability Evaluation in Human-Centered Design
Name the four steps of the human-centerd design process.
- Analyze: Talk with people and discover "what is the problem?"
- Design: Prototype what you assume is a solution
- Evaluate: Watch people use the prototype and learn from their experiences
- Iterate: Repeat until the usability requirements are achieved.
Name the three key elements of human-centered design activities.
Where in the human-centered design process are the most frequent iterations?
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Name forms of prototypes in the human-centered process.
Prototypes may take the form of paper sketches or display mock-ups, as well as software products under design.
What are the two activities for an initial prototype?
- The prototype is evaluated. The person who performs the evaluation conducts usability testing on the prototype.
- The prototype is improved and refined based on the results of the evaluation. The person who performs the evaluation helps the developers evolve the prototype by incorporating user feedback into the design.
When will usability and accessibility testing be done?
Accessibility must be considered during the design phase.
What are the possible sources of usability requirements?
- Explicitly in equirements documentation or a user story
- Implicit, undocumented user expectations
- Included in adopted or required standards.
Which usability evaluation works with agile software development?
- Rapid Iterative Testing and Evaluation (RITE)
- Informal and quick usability test sessions
- Weekly testing
- Usability reviews
What is Rapid Iterative Testing and Evaluation (RITE)?
A qualitative usability test method where changes to the user interface are made as soon as a usability problem is identified and a solution is clear.
How is an informal and quick usability test session done?
In a place where many potential users can be accessed (e.g., a cafe, a conference or a trade show). Such forms of usability test sessions
typically last less than fifteen minutes and apply techniques such as think aloud and heuristic evaluation.
A form of usability evaluation is weekly testing. How is it done?
Test participants are recruited well in advance and scheduled for a particular day of the week (e.g., each Tuesday), so that the software build can be usability tested on that day.
Usability tasks are prepared shortly before the scheduled testing day and may include exploratory testing sessions, where the knowledge of the tester and heuristic checklists are used to focus on usability issues.
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