Understanding and Conceptualizing ID
Benefits of conceptualising
Orientation
Open-minded
Common ground
Components
Metaphors and analogies
Concepts that people are exposed to through the product
Relationship and mappings between these concepts
Conceptual models
Many kinds and ways of classifying them
We describe them in terms of core activities and objects
Also in terms of interface metaphors
Metaphors
Interface metaphors
Conceptualizing what we are doing
A conceptual model instantiated at the interface
Visualizing an operation
Material metaphors
Benefits
Makes learning new systems easier
Helps users understand the underlying conceptual model
Can be very innovative and enable the realm of computers and their applications to be made more accessible to a greater diversity of users
Problems
Break conventional and cultural rules
Can constrain designers in the way they conceptualize a problem space
Conflict with design principles
Forces users to only understand the system in terms of the metaphor
Designers can inadvertently use bad existing designs and transfer the bad parts over
Limits designers' imagination in coming up with new conceptual models
Iteraction types
Instructing
Conversing
Manipulating
Exploring