Lecture 8: Page Layout Flashcards
What is Visual Field?
Visual field is the angle of focused attention.
What is Visual Acuity?
Visual acuity is the ability of a person to see a clear sharp image.
What are the two things users direct their visual attention to?
Expectancy - where they anticipate information to be placed
Relevance - to information / stimuli relevant to immediate tasks and goals.
What are the four elements which can be used in page layout for pre-attentive processing?
- Symmetry
- Colour
- Size
- Shape
What is a conjunction search?
A conjunction search is the result of visual interference by equally attention getting features, as a result it requires that each item be serially separated and scanned. This occurs when too many combinations of pre-attentive features are used.
This can be addressed by colour and shape.
What are the four laws / Gestalt principles?
- Law of proximity
- Law of continuity
- Law of closure
- Law of similarity
What is the Law of Proximity?
The law of proximity is the rule that objects near each other tend to be perceived as the same unit, distant objects are perceived as different objects and use proximity to cluster sets.
What is the Law of Continuity?
The law of continuity is the rule that objects overlapping or intersecting are perceived as one object and objects arranged on a smooth curve are also perceived as a unit.
What is the Law of Closure?
The law of closure is the rule that figures with gaps tend to be perceived as closed complete figures and that humans recognise familiar patterns and fill in the gaps.
What is the Law of Similarity?
The law of similarity is the rule that objects similar to each other tend to be perceived as a unit, different stimuli are a different object and it allows clustering into sets.
What is a Visual Hierarchy?
A visual hierarchy makes the most important thing the centre of attention, ranking other things in declining order of importance and users should be able to instantly ‘see’ relationships between page elements. It should show:
- The relative importance of page elements
- The relationships among them
What is a Visual Flow?
A visual flow is an aspect of a page, which can be controlled to guide to people to follow elements and structures on the page in the “correct” sequence.
What is a Focal Point?
Focal points are setup on a visual hiearchy to attract attention, but too many focal points dilutes their individual importance.
What are Peer Items?
Peer items are items of a page which have identical graphical treatment
What are Special Items?
Special items are items of a page which have different treatment but keep consistent.
