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