MENTAL MODELS
CHARACTERISTICS
Incomplete
× Constantly evolving
× Not accurate representation
× Provide a simple representation of a
complex phenomena
× Can be represented by a set of if-thenelse rules.
WAYS ON HELPING USERS TO BUILD
CONCEPTS
NATURAL MAPPING
TERMINOLOGIES
INTERACTION TYPE
INTERFACE TYPE
CONCEPTUAL MODEL TYPES
List and Tables
× Diagrams
× Storyboards
× Written Description
Instructing
× Conversing
× Manipulating
× Exploring
WIMP
× CLI
× VR
× Mobile
TYPES OF HUMAN ERROR
SLIPS
MISTAKES
ACTION-BASED
MEMORY LAPSE
RULE-BASED
KNOWLEDGE BASED
MEMORY LAPSE
LEARNED HELPLESSNESS
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A user’s sense that they are helpless to accomplish their goal in the interface