The process of Interaction Design

June 5, 2008
    KEY POINTS

  1. The interaction design process consists of four basic activities:
    identifying needs and establishing requirements, developing
    alternative designs that meet those requirements, building
    interactive versions of the designs so that they can be
    communicated and assessed, and evaluating them.
  2. Key characteristics of the interaction design process are
    explicit incorporation of user involvement, iteration, and
    specific usability criteria.
  3. Before you can begin to establish requirements, you must
    understand who the users are and what their goals are in using
    the device.
  4. Looking at others’ designs provides useful inspiration and
    encourages designers to consider alternative design solutions,
    which is key to effective design.
  5. Usability criteria, technical feasibility, and users’ feedback on
    prototypes can all be used to choose among alternatives.
    – Prototyping is a useful technique for facilitating user feedback
    on designs at all stages.
  6. Lifecycle models show how development activities relate to one
    another.
  7. The interaction design process is complementary to lifecycle
    models from other fields.

From: Preece, J., Rogers, Y., Sharp, H. (2002), Interaction Design: Beyond Human-Computer Interaction, New York: Wiley

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