15. task models


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


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