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Define rich interaction - how does it differ from conventional HCI?
- more users considered
- users are embodied
- occurs in environmental context of rich representational artifacts
- occurs in context of communication with other users
- occurs in cultural/organisation context
Give examples of Instructing, Conversing, Manipulation and Exploration
- Instructing: user tells system what to do, by typing commands, selecting menu options, pressing keys or buttons, speaking commands
- Conversing: user has dialogue with system; typing questions and/or responses, or uses speech input/output
- Manipulation: user interacts with physical or virtual objects, e.g., holding, moving, opening, closing; object is a focus of attention
- Exploration: user moves through physical or virtual environment
Explain DM and name the 3 core direct manipulation principles
Digital objects should allow interaction analogous to how physical objects are manipulated
- -Continuous representation of objects and actions
- -Physical actions instead of issuing commands with complex syntax
- -Rapid reversible actions with immediate feedback on object of interest
Define distributed cognition
Explain an interaction from the point of view of dirtibuted cognition with its features - multiple people, artefacts, etc.
describe features of situated cognition
- triggers (immediate, temporal, sporadic, external event, environmental cue)
- placeholders (where you are in the program, like Program Counter)