Quiz 3.1

Type of Design rule that is low in authority but high in generality

This defines usability as effectiveness, efficiency and satisfaction with which users accomplish tasks

• ISO 9042

• ISO 9241

• ISO 9041

The variety of ways in which the customer and the machine share data. This can include familiarity, generalizability, etc.

• Learnability

• Robustness

• Flexibility

Type of design rules that has specific design, high in authority but limited application

Transferring task implementation responsibility between the customer and the sytem

• Dialog Initiative

• Task Migratability

• Substitutivity

Principles of Learnability where prior knowledge applies to new system

• Generalizability

• Synthesizability

• Familiarity

Principles of Flexibility allowing input and output values to be substituted for each other. Ex (changing the margin in either inchers or centimeters)

Principles of Robustness that shows how the user perceives the rate of communication with the system and shows stability

• Task Conformance

• Observability

• Responsiveness

Software is more difficult and expensive to change than hardware

• True

• False

An indication of whether or not the rule must be followed in design or whether it is only suggested