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and results. They have also published reviews on how to promote trust, how to
improve learning in schools, and terrorism.
6.7 Exercises
6.1 Using a smartphone, explore it to find an ill-structured problem. This could be
an application or function that has the features of an ill-structured problem.
Discuss how you could improve this application, or note why the user would
want it to be an ill-structured problem.
6.2 Find another ''bias'' in human problem solving or in decision making with
particular attention paid to business problems. You might find implications in
an earlier chapter, or you might find useful information in a topic or journal on
decision making in business. Compare this known bias in reasoning to the list
shown here. Consider which are the more important biases.
6.3 Consider a web site that you know of medium complexity, such as your
department's web site. Draw a map of it from memory (or, to be fairer, have
some other people draw a map of it). Then, compare the maps with a map
drawn from the web site. Compare the user's maps with the actual site, and
draw conclusions about mental models.
6.4 Have some friends choose between the choices in Table 6.4 . If your friends
are like Tversky and Kahneman's subjects (Kahneman et al. 1982 ), they will
prefer program A over program B (72-28%) and program C over program D
(22-78%).
References
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