Allan MacLean, Dianne McKerlie
Scenario-Based Design: Envisioning Work and Technology in System Development, J.M. Carroll (ed), Wiley, New York, 1995, pp 183-207.
This chapter describes ways in which a QOC representation builds on, and relates to, other design
representations. It does this in the context of describing a twelve-month project in which we explored user
interface designs for future educational hypermedia systems. The chapter is organised around two threads.
The first thread describes the generation and evolution of a set of Criteria which guide the design. In the present
case, these Criteria are strongly grounded in a consideration of how the system will be used and they act as a
reference to help guide the design process throughout its lifecycle. The second thread considers the
relationship between the QOC representation and use-oriented representations such as tasks, scenarios and
story boards. The main theme of this thread is to illustrate the ways in which a QOC representation provides a
mechanism to focus on and abstract from salient features of these other more concrete representations.
The QOC representation therefore complements the other representations by summarising and generalising
their key attributes.
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