1. the human

EXERCISE 1.13 [extra - not in book]

Describe Fitts’ law. Describe which implications Fitts’ law has on user interface design. 

answer available for tutors only

  • Fitts’ law: time taken to hit a target is a function of the size of the target and the distance that has to be moved (2 marks)
  • Targets should be as large as possible (1 mark)
  • Distance to be moved should be as small as possible (1 mark)

Other exercises in this chapter

ex.1.1 (ans), ex.1.2 (ans), ex.1.3 (ans), ex.1.4 (tut), ex.1.5 (tut), ex.1.6 (open), ex.1.7 (open), ex.1.8 (tut), ex.1.9 (tut), ex.1.10 (tut), ex.1.11 (tut), ex.1.12 (tut), ex.1.13 (tut), ex.1.14 (tut)

all exercises for this chapter