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28 Chapter 1 What is interaction design?

Assignment
This assignment is intended for you to put into practice what you have read about in this chap-
ter. Specifically, the objective is to enable you to define usability and user experience goals and
to use design and usability principles for evaluating the usability of an interactive product.
Find a handheld device (e.g. remote control, handheld computer, or cell phone) and ex-
amine how it has been designed, paying particular attention to how the user is meant to in-
teract with it.
(a) From your first impressions, write down what first comes to mind as to what is good
and bad about the way the device works. Then list (i) its functionality and (ii) the
range of tasks a typical user would want to do using it. Is the functionality greater,
equal, or less than what the user wants to do?
(b) Based on your reading of this chapter and any other material you have come across,
compile your own set of usability and user experience goals that you think will be