Kategorier: Alle - models - mental - representation - knowledge

af Darren Smith 15 år siden

392

Knowledge Representation & Mental Models (ACS)

Understanding how people interact with systems involves distinguishing between different types of knowledge and mental models. Knowledge can be divided into declarative and procedural types.

Knowledge Representation & Mental Models (ACS)

Knowledge Representation & Mental Models

Knowledge in Head vs World

Retrievability, Learning, Efficieny of use, ease of use at first encounter, Aesthetics

Either can be representated graphically or textually

e.g on a map.The museum is located here: DecalrativeTo get there you need to take a right..go up 3 blocks, next left then its on the corner: Procedural

Imageability supports remembering and reasoning

Pin number

Procedural

Unconcious
typing, driving etc
Means-end reasoning
Processes, procedures

Declarative

Know that: concepts, relationships, things & actions

Examples

Tap
users model: water coming out, temperature, pressure
Designers model has 2 seperate water supplies mixed

Norman

System Image
User model
Designers Model

internal representation of how a system works

Transferred from mental models of smilair objects
Incomplete
Constructed from experience
Simulated
concrete