Usability

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  • Usability

    1. 1. Usability user – usability - you Carol Tikerperi Head of projects Innovative Internet Marketing TM Internet Marketing
    2. 2. user – usability – you User s: <ul><li>Are impatient </li></ul><ul><ul><li>Blink of an eye: 50 milliseconds </li></ul></ul><ul><li>Visceral reactions: emotions & instincts </li></ul><ul><ul><li>Past experiences create the future </li></ul></ul><ul><li>See things in their own way </li></ul><ul><ul><li>Expectations: come from habits </li></ul></ul><ul><li>Seek to minimize cognitive effort </li></ul><ul><ul><li>Repeating patterns </li></ul></ul><ul><ul><li>Predictability </li></ul></ul>Innovative Internet Marketing TM Internet Marketing
    3. 3. user – usability – you by Peter Morville User experience: Users’ experience is determined by their needs their tasks their history their location Innovative Internet Marketing TM Internet Marketing
    4. 4. user – usability – you User expectations : <ul><li>Your web itself is not your users’ goal – </li></ul><ul><li>it's an obstacle between the user and their actual goal . </li></ul><ul><li>Perceived usability appears to be tied more to the immediate impression than to actual usability. </li></ul><ul><li>Users expect elements to work in a certain way </li></ul><ul><li>… because that’s how things almost always work </li></ul><ul><li>… because that’s how things usually work </li></ul>Finding by G.Lindgaard & C.Dudek by R.Hoekman Innovative Internet Marketing TM Internet Marketing
    5. 5. user – usability – you User research : <ul><li>Will help you understand users : </li></ul><ul><li>needs for information </li></ul><ul><li>ways of thinking about, grouping and organising information </li></ul><ul><li>ways of working with information </li></ul><ul><li>expectations about your site </li></ul><ul><li>experience with similar types of sites </li></ul><ul><li>… and that means that YOU are in control </li></ul>Innovative Internet Marketing TM Internet Marketing
    6. 6. user – usability – you Means: <ul><li>If a system is hard to use – people leave </li></ul><ul><li>If a system fails to clearly state what can be done – people leave </li></ul><ul><li>If the users get lost – they leave </li></ul><ul><li>If the information is hard to read or does not provide answers users are looking for – they leave. </li></ul>Innovative Internet Marketing TM Internet Marketing
    7. 7. <ul><li>I s composed of: </li></ul><ul><ul><li>Learnability - how easy is it for users to accomplish basic tasks the first time they encounter the design? </li></ul></ul><ul><ul><li>Efficiency - once users have learned the design, how quickly can they perform tasks? </li></ul></ul><ul><ul><li>Memorability - when users return to the design after a period of not using it, how easily can they re establish proficiency? </li></ul></ul><ul><ul><li>Errors - how many errors do users make, how severe are these errors, and how easily can they recover from the errors? </li></ul></ul><ul><ul><li>Satisfaction - how pleasant is it to use the design? </li></ul></ul>user – usability – you Visit Jakob Nielsen: http://www.useit.com/alertbox/20030825.html Innovative Internet Marketing TM Internet Marketing
    8. 8. <ul><li>Common problems: </li></ul><ul><ul><li>No clear call to action </li></ul></ul><ul><ul><li>Misleading labels and navigation </li></ul></ul><ul><ul><li>Poor functionality – broken links, scripting errors </li></ul></ul><ul><ul><li>Long loading times due to overuse of large graphics, Java applets, ad banners </li></ul></ul><ul><ul><li>Poor readability because of inappropriate design </li></ul></ul><ul><ul><li>No tools to aid choice </li></ul></ul>user – usability – you Innovative Internet Marketing TM Internet Marketing
    9. 9. user – usability – you Example site Innovative Internet Marketing TM Internet Marketing
    10. 10. <ul><li>Usable product is: </li></ul><ul><ul><li>Easy to learn </li></ul></ul><ul><ul><li>Hard to forget :) </li></ul></ul><ul><ul><li>Minimizes burden </li></ul></ul><ul><ul><li>Reduces workload </li></ul></ul><ul><ul><li>Anticipates, forgives and helps solve errors </li></ul></ul><ul><ul><li>Does what the user wants and when the user wants </li></ul></ul><ul><ul><li>Always provides feedback </li></ul></ul><ul><ul><li>Satisfying </li></ul></ul>user – usability – you Innovative Internet Marketing TM Internet Marketing
    11. 11. <ul><li>http://www.usability.gov/pdfs/guidelines.html </li></ul>user – usability – you Design guidelines: Innovative Internet Marketing TM Internet Marketing
    12. 12. user – usability – you What can you do: <ul><li>know your user </li></ul><ul><li>help your user </li></ul><ul><li>don’t assume, research </li></ul><ul><li>Key phrases to memorise and use: </li></ul><ul><li>...lets the users </li></ul><ul><li>...helps the user </li></ul>Innovative Internet Marketing TM Internet Marketing
    13. 13. user – usability – you Closing thoughts: <ul><li>Almost always, methodical approach is required for achieving better usability </li></ul><ul><li>A little is much better than nothing </li></ul><ul><li>Remember that if at any stage you feel the urge to intervene and explain, then you have identified a usability problem </li></ul><ul><li>What gets measured, gets done </li></ul>Innovative Internet Marketing TM Internet Marketing
    14. 14. user – usability – you Starting point: Allow the most important user group to complete their most important tasks as quickly and simply as possible . Innovative Internet Marketing TM Internet Marketing
    15. 15. [email_address] skype: tikerperi www.altex.ee user – usability – you thank you Innovative Internet Marketing TM Internet Marketing

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