Humain Computer Interaction

EXERCISE $6\mathrm{.}1$

$($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.

EXERCISE $7\mathrm{.}7$

$($a$)$ Distinguish between principles, guidelines and standards, using examples of each to illustrate.

$($b$)$ Why is context important in selecting and applying guidelines and principles for interface design? Illustrate your answer with examples.

EXERCISE $7\mathrm{.}8$

$($a$)$ Why are there few effective HCI standards?

$($b$)$ How do "golden rules" and heuristics help interface designers take account of cognitive psychology? Illustrate your answer with examples.

EXERCISE $9\mathrm{.}6$

$9\mathrm{.}5$ In defining an experimental study, describe

$($a$)$ how you as an experimenter would formulate the hypothesis to be supported or refuted by your study

$($b$)$ how you would decide between a within$-$groups or between$-$groups experimental design with your subjects

EXERCISE $10\mathrm{.}1$

Is multi$-$modality always a good thing? Justify your answer.

EXERCISE $10\mathrm{.}2$

What are $($i$)$ auditory icons and $($ii$)$ earcons? How can they be used to benefit both visually impaired and sighted users?

EXERCISE $11\mathrm{.}5$

Using your library facilities and the World Wide Web, investigate the benefits and limitations of adaptive help systems. What examples of adaptive and adaptable help are available and how useful are they?

EXERCISE $11\mathrm{.}6$

What are the four main types of help that users may require? For each type, give an example of a situation in which it would be appropriate.$$

EXERCISE $11\mathrm{.}7$

Which usability principles are especially important in the design of help systems, and why?

EXERCISE $11\mathrm{.}8$

Describe some of the different approaches to providing user support systems, with examples