Heuristic evaluation Functionality: Visual Design: Efficiency: Learnability: Navigation Feedback...
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Transcript of Heuristic evaluation Functionality: Visual Design: Efficiency: Learnability: Navigation Feedback...
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Heuristic evaluation Functionality: Visual Design: Efficiency: Learnability: Navigation Feedback Accessibility
Consistency Simplicity Flexibility Robustness Intuitiveness Responsiveness
:
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Heuristic evaluation Functionality: Does the site have
compelling and unique content and will users understand the value proposition
Visual Design: Will the design engage customers, with readable fonts and colors that work well together
Efficiency: Can customers complete common tasks quickly with minimal scrolling and clicking
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Heuristic evaluation Learnability: Are the terms used for
navigation items and hypertext links unambiguous and jargon-free
Navigation: Is the information that customers are most likely to need easy to find from the home page
Feedback: Are error messages in plain language with clear instructions on what to do next
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Heuristic evaluation Accessibility: Is the site designed for
all customers, including the over 50’s and those with disabilities
Consistency: Is terminology and conventions consistent with general (web) usage Refers to the language, format and behavior
of the application. Consistency enhances the predictability of a system and makes it easier to learn
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Heuristic evaluation
Flexibility: Allows each user to tailor the system for his or her needs, style and task. This can mean allowing a user to perform a task in more than one way or the ability to store a user profile with defaults reflecting user preferences. Such customization gives the user a sense of control and can improve productivity
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Heuristic evaluation
Robustness: Seeks to minimize the opportunity for errors and allows the user to recover gracefully from a mistake. Provides an easy way out of an unwanted choice
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Heuristic evaluation Intuitiveness: Intuitive interfaces
build on conventions and user experiences to provide natural mappings and present information in a natural and logical order. The best interfaces use familiar concepts and language
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Heuristic evaluation Responsiveness: Refers to the
need to keep users informed. This includes an awareness of where the user is within the framework of an application and acknowledging user requests through appropriate feedback within a reasonable timeframe
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Heuristic evaluation
Simplicity: Allows the user to perform tasks in as few steps as possible. A simple interface does not confuse a user by presenting too many choices. Simplicity also limits cognitive demands
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Heuristics
Mental Workload Matches Intended User Population Consistency Page Architecture Navigation/Structure System Performance User Interaction
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SUS -system usability scale
1. I think that I would like to use this system frequently
2. I found the system unnecessarily complex 3. I thought the system was easy to use 4. I think that I would need the support of a
technical person to be able to use this system 5. I found the various functions in this system were
well integrates
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SUS -system usability scale
6. I thought there was too much inconsistency in this system 7. I would imagine that most people would learn to use this system very quickly 8. I found the system very cumbersome to use 9. I felt very confident using the system 10. I needed to learn a lot of things before I could get
going with this system
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Usability evaluation
Due 10/18/09
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Conduct a usability evaluation Web site of your choice If ambitious do a product
comparison Evaluation of competing web sites
Social networking, dating, shopping
Power point presentation Must be submitted via hard copy
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Usability evaluation report
Product's) tested Tasks, features and scenarios that were
evaluated Why were these chosen
Difficulty, importance. Frequency, competitive advantage
Who did you test and why User group description Number of people used in evaluation
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Usability evaluation report
Evaluation methodology used Heuristics Performance testing
Criterion measures Satisfaction Subjective ratings of usability Task completion Number of error
Usability test administration and data analysis procedure
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Usability evaluation report
Usability finding Overall summary of usability results What worked What didn’t What changes should be implemented to
improve usability Would it have been helpful to perform this
usability test prior to product release Why or why not