HCI Flashcards
What does the pact framework stand for?
People, activities, context and technology
What are Ergonomics?
Making the best physical fit between a person and a computer.
Interface layout, sound, vision…
What is cognition?
How people understand and remember.
Understanding human behaviour
What design implications does perception have?
Icons and graphics should be easy to distinguish
What design implications does attention have?
Must avoid clutter and create simple forms
What is a principle?
A fundamental truth or proposition that serves as the foundation for a system
What is a guideline?
Often specific to a certain scenario, a guideline is a piece of advice that should be supported by underlying principles
What is a standard?
National or international set of rules that you must conform to.
ISO 9241 for example
What two people have created rules for interface design?
Shneiderman and Nielsen
What three evaluation methods are there?
Experimental, query and observational techniques
How many different types of impairment are there?
6!
Physical, sensory, cognitive, communication, hidden and temporary !
What does WCAG stand for and mean?
Web content accessibility guidelines.
12 guidelines under four principles which ensures accessibility on the web for everyone
Who made a model for the prediction of movement time?
Fitts
What is Fitts law?
Focuses on rapid, aimed movement.
What is the formula for Fitts law?
Index of difficulty = log2 (D/W + 1)
Movement time = a + b * ID
