exercises 6. HCI in the software process

	EXERCISE 6.1 (a) How can design rationale benefit interface design and why might it be rejected by design teams? (b) Explain QOC design rationale using an example to illustrate. answer available for tutors only   EXERCISE 6.2 Imagine you have been asked to produce a prototype for the diary system discussed in the worked exercise in Section 7.2.3. What would be an appropriate prototyping approach to enable you to test the design using the usability metrics specified, and why? answer available for tutors only		Individual exercises ex.6.1 (tut), ex.6.2 (tut) Worked exercises in book    What is the distinction between a process-oriented and a structure-oriented design rationale technique? Would you classify psychological design rationale as process or structure oriented? Why? [page 255]