1. Learnability Parameters Findability Users should need less time to learn Users should learn on their own Internally consistent Consistent with other products Consistent with earlier version Users should retain critical, but infrequent tasks 30
2. Speed of Use Parameters Primary / frequent tasks should be quick and easy Fast and easy navigation Product should minimally load users memory Flexibility Task completion time / steps Personalized for the user Localized for the market segment User should be able to customise the product 40
3. Ease of Use Parameters Interface should communicate the conceptual model Intuitiveness No entry barrier No unnecessary tasks Automate routine tasks / minimise user task load Product is always on, always accessible 51
71 6. Subjective Satisfaction Parameters User should feel emotionally engaged / reflective appeal User should find the product aesthetically appealing User should feel in control / behavioural appeal
Assignment 3 From http://www.idc.iitb.ac.in/~anirudha/ugt.html read about the goal setting toolhttp://www.idc.iitb.ac.in/~anirudha/ugt.html For the project you are working on, identify 5 most important goals Interpret these goals in the context of your project (This is an individual assignment, so your interpretation of what goals are important may be different from that of your teammates) Submit in google drive by 14-2-14 96
97 Questions? Primary product goals Usability goals –Useful, usable, desirable –Quantitative and qualitative –You cant meet all goals, need to prioritise –Usability goals setting tool –Learnability, ease of use, speed of use, ease of communication, error-free use, subjective satisfaction
98 Questions? Layers of user experience Conceptual model Modelling users –Novices / advanced beginners / competent performers / experts –Personas and goals Product goals
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