You want to improve an

interface to make it more efficient. 

Which of the following statements can be inferred based on Fitts' Law?

You design a new mobile phone map

application, and perform an opt-in evaluation that gathers data on users'

locations and how the interface is presented to them.

What might be among the ethical issues of

such a study?

You have run an experiment where you are

evaluating the speeds of 3 different input devices: a laptop's built-in

trackpad, an external trackpad, and an external wireless mouse. 30 participants

are each timed clicking a number of targets using each device. What statistical

test could you run to determine whether any significant performance differences

are apparent between the conditions?

You want to assess whether your

new speech-based UI demands a user's full attention to use it. You record the time

it takes for users to accomplish a task, using the system in isolation. To

answer your question, you could then time users performing the task

simultaneously along with which of these activities:

Which of the following situations would be

well suited to using the Parallel Coordinates visualisation technique?

A user trial wants to identify

the reasons for common mistakes that users make in attempting to perform a task

using your new web app. Which of the following statistical measures would be

under investigation in such a trial?

In which of these situations would you

benefit from adding the 'brushing and linking' technique to a visualisation?

Which of these could be an advantage of

running a simultaneous small-scale study and large-scale study of an app?

When considering human senses,

which of the following would be affected by the outcome of determining a 'just

noticeable difference'?

Which of the following best describes a broad historical trend in the types of research performed in HCI?