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Usability
 

Usability

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My presentation to my team on usability.

My presentation to my team on usability.

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    Usability Usability Presentation Transcript

    • Usability Testing the beginning of the experience Haobam Martin – Lead Web Designer, ANZ UX Design
    • Usability… What? Usability refers to the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of user. - ISO 9241-11
    • Usability… What? • Ease of learning • Efficiency of use • Memorability • Error frequency and severity • Subjective satisfaction
    • Usability… Why? • Users are impatient • More features the better • Even the best designer get it wrong • Competitors have it, lets have it • Complex online activities in everyday life • Usability is next to profitability
    • Interaction Visuals Techniques User’s Model
    • Self Actualization Esteem Love/Belonging Safety Physiological Maslow’s Hierarchy of Needs
    • If you want to make a revolution, you have to raise lowest common denominator Steve Jobs, Co-founder + CEO Apple
    • Usability… How? • Summative test • Formative test
    • When the cook tastes the soup, that’s formative; when the guests taste the soup, that’s summative Robert Stakes, University of Illinois
    • Usability… How? • Subjective • Qualitative • Objective • Quantitative Plan the test Collect data Analyse Conclusion Iterate
    • But How? • Early Prototype • Card Sort • Open card sort • Closed card sort • Paper Prototype • Wire framing • Contextual Interviews
    • But How? • User Analysis • Heuristics Evaluation • Surveys Online Observer Participants
    • But How? • User Analysis • Heuristics Evaluation • Surveys Online
    • How does usability fit? • On Visual Design • On layout • On terminology • On Messaging • On Navigation • On Task Flow • On Task Support
    • How does usability fit?
    • Questions?