IST 402 Quiz 2 Flashcards
consists of the shapes terms and groupings that are used in a regular and consistent fashion to express system features
visual language
a user interface technique in which visual features are used to code different attributes of data
information visualization
to pursue a task with computer support a user must translate their real world goal into a software oriented goal
system goal
users goal task is mapped easily onto an appropriate system feature
high semantic directness
built from objects and actions that are direct analogs of objects and actions in the real world
direct manipulation user interface
consists of a vocabulary and composition rules used to identify and manipulate task objects indirectly
command language
evoked by perceptually salient or engaging elements in the user interface display
opportunistic behavior
the steps needed to achieve a system goal
action plan
organizing several interrelated bits of information into a single unit
chunking
the cognitive dissonance between what is displayed on the screen and the users mental representation of task objections and goals
gulf of evaluation
the distance between a users current task goals and the procedures and actions that the system provides for pursuing these goals
gulf of execution
principles that describe the configural properties of visual information
gestalt perception
aspect of an object that makes it obvious how the object is to be used
affordance
set of visual design features that are used to create consistent displays
visual design patterns
what is learned once can be applied to new similar cases
transference of learning