Interface metaphors
-Interface designed to be similar to a physical entity but also has own properties
-They are intended to provide familiar entities that enable people to understand the underlying conceptual model and know what to do at the interface.
Benefits of interface metaphors
-Makes learning new systems easier
-Familiar action helps people understand the underlying conceptual model
-Can be innovative and enable apps to be made accessible to a greater diversity of people
Problems with interface metaphors
-Can constrain designers in the way that they conceptualize a problem space
-Can conflict with design principles
-Designers can inadvertently use bad existing designs and transfer the bad parts over
-Limits designers’ imagination in coming up with new conceptual models
-Often don’t scale very well
Main interaction Types
(CRIME)
-Conversing
-Responding
-Instructing
-Manipulating
-Exploring
Instructing
Issuing commands and selecting options
Conversing
Interacting with a system as if having a conversation
Exploring
Moving through a virtual environment or a physical space
Responding
The system initiates the interaction and the person chooses whether to respond
Pros of conversational model
It allows people to interact with a system in a way that is familiar to them
Cons of conversational model
Misunderstandings can arise when the system doesnt know how to parse what someone says
