a) What are the main elements of a warning system?

b) In evaluation research distinguish between task performance and human performance criteria.

c) Describe the process by which people read text. Use sketches where appropriate to illustrate your answer.

d) What do you understand by the following terms: Near Point, Far Point, Dark Focus, and Accommodation?

e) What are the three methods for evaluating symbolic signs? Use a flowchart or other graphical representation technique to explain the procedure of one of them.

f) Distinguish between conceptual compatibility and spatial compatibility.