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Design of the Conceptual Model

Design of the Conceptual Model. Winograd, Chapter 2. David Liddle. Xerox PARC Vice President - IBM Instructor at Stanford Recently employed by various venture capital firms. Xerox Star (Why was is cool?). Direct manipulation of objects WYSIWYG What You See Is What You Get

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Design of the Conceptual Model

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  1. Design of the Conceptual Model Winograd, Chapter 2

  2. David Liddle • Xerox PARC • Vice President - IBM • Instructor at Stanford • Recently employed by various venture capital firms

  3. Xerox Star(Why was is cool?) • Direct manipulation of objects • WYSIWYG • What You See Is What You Get • Consistency of commands • Generic commands

  4. Software Design: Determining the user’s experience with a piece of software…

  5. User’s Conceptual Model • Represents what the user is likely to think • Metaphors • Not connected to the physical world • Recognition (not recall) • Spreadsheets, desktops

  6. Prototyping and User Trials(In the development of Xerox Star) • Build prototypes that users can test • Get users feed back • Alter the specification • Repeat

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