Human-Computer Interaction 3e Dix, Finlay, Abowd, Beale

exercises  -  15. task models

EXERCISE 15.3

Figure 15.1 shows a textual representation of an HTA description of vacuum cleaning. Present the same information in a diagrammatic form

answer

This is given in Figure Ex15.3.1. In fact, this uses the revised version of 'plan 3', but the choice of plan makes no difference to the structure of the diagram.

Figure Ex15.3.1 - HTA diagram for vacuum cleaning a house


Other exercises in this chapter

ex.15.1 (ans), ex.15.2 (ans), ex.15.3 (ans), ex.15.4 (ans), ex.15.5 (ans), ex.15.6 (tut)

all exercises for this chapter


home | about | chapters | resources | exercises | online | editions | interactive | community | search | plus +++
exercises: 1. human | 2. computer | 3. interaction | 4. paradigms | 5. design basics | 6. software process | 7. design rules | 8. implementation | 9. evaluation | 10. universal design | 11. user support | 12. cognitive models | 13. socio-organizational | 14. comm and collab | 15. task models | 16. dialogue | 17. system models | 18. rich interaction | 19. groupware | 20. ubicomp, VR, vis | 21. hypertext and WWW