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    Models of Interaction

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    Gerlyn Joy Incillio
    The document discusses several models of human-computer interaction. It describes Norman's 7-stage model of interaction which focuses on the user's perspective. It also explains Abowd and Beale's framework which extends Norman's model and depicts the interaction between the user, input, system, and output. The frameworks aim to understand where problems can occur in the translation between what the user intends, the actions specified, and what the system produces in order to improve interface design and usability.

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    Models of Interaction

    Uploaded by

    Gerlyn Joy Incillio
    52 views8 pages
    The document discusses several models of human-computer interaction. It describes Norman's 7-stage model of interaction which focuses on the user's perspective. It also explains Abowd and Beale's framework which extends Norman's model and depicts the interaction between the user, input, system, and output. The frameworks aim to understand where problems can occur in the translation between what the user intends, the actions specified, and what the system produces in order to improve interface design and usability.

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    Original Title

    Models-of-interaction

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    The document discusses several models of human-computer interaction. It describes Norman's 7-stage model of interaction which focuses on the user's perspective. It also explains Abowd and Beale's framework which extends Norman's model and depicts the interaction between the user, input, system, and output. The frameworks aim to understand where problems can occur in the translation between what the user intends, the actions specified, and what the system produces in order to improve interface design and usability.

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    52 views8 pages

    Models of Interaction

    Uploaded by

    Gerlyn Joy Incillio
    The document discusses several models of human-computer interaction. It describes Norman's 7-stage model of interaction which focuses on the user's perspective. It also explains Abowd and Beale's framework which extends Norman's model and depicts the interaction between the user, input, system, and output. The frameworks aim to understand where problems can occur in the translation between what the user intends, the actions specified, and what the system produces in order to improve interface design and usability.

    Copyright:

    © All Rights Reserved
    Download as PPTX, PDF, TXT or read online from Scribd
    Download as pptx, pdf, or txt
    of 8

    Models of

    Interaction

    Terms of interaction
    Norman model
    Interaction framework
    Some terms of interaction

    Domain – the area of work under study


    e.g. graphic design
    Goal – what you want to achieve
    e.g. create a solid red triangle
    Task - how you go about doing it
    e.g. select fill tool, click over triangle

    Note
    -traditional interaction
    -use of terms differs a lot especially task/goal
    Donald Norman’s model
    • Seven stages
    - user establishes the goal
    - formulates intention
    - specifies actions at interface
    - executes action
    - perceives system state
    - interprets system states
    - evaluates system state with respect to goal

    • Norman's model concentrate on user’s view of the


    interface.
    Execution/evaluation loop

    Goal
    Execution Evaluation
    System

    • User establishes the goal


    • Formulates intention
    • Specifies actions at interface
    • Executes system state
    • Interprets system state
    • Evaluates system state with respect to goal
    Using Norman’s model
    Some systems are harder to use than others

    Gulf of Execution
    user’s formulation
    *actions allowed by the system

    Gulf of Evaluation
    user’s expectation of changed system state
    *actual presentation of this states
    Human error – slips and mistakes

    Slip
    - Understand system and goal
    - Correct formulation of action
    - Incorrect action mistake
    - May not even have right goal

    Fixing things?
    Slip – better interface design
    Mistake – better understanding of system
    Abowd and Beale framework

    Extension of Norman..
    Their interaction framework has 4 parts.
    O
    - User output
    - Input S U
    - System core task
    - Output I
    input

    Each has its own unique language

    Interaction = translation between languages .


    Problems in interaction = problems in translation.
    Using Abowd and Beale’s model

    User intentions
    Translated into actions at the interface
    Translated into alterations of system state
    Reflected in the output display
    Interpreted by the user

    General framework for understanding interaction


    Not restricted to electronic computer system
    Identifies all major components involved interaction
    Allows comparative assessment of systems
    An abstraction

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