Identify one of real-world problem, example “It is difficult to recruit good
wait staff who provide the level of customer service to which we have
become accustomed.” Then, analyze the problem space by answering
some of questions such as What are the reasons of these problems?
Design a conceptual model for your addressed problem
There are four basic activities for interactive design prototypes is the
third phase, list out at least four issues relating to testing the prototype?
Explain the term User understanding, and list out at least four benefits
for designers?
What is the difference between usability and accessibility, identify the
usability issues?
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