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Exploring Lifecycle Models for Interaction Design and Web 2.0 Processes

Understand and compare various lifecycle models for Interaction Design and Web 2.0, such as Waterfall, Spiral, JAD/RAD, and Agile, to enhance project management efficiency and user-centered design. See how activities are interrelated!

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Exploring Lifecycle Models for Interaction Design and Web 2.0 Processes

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  1. Lifecycle models For more info on these models – see text Specific References are in notes view Present the model you think is most appropriate for IXD and Web 2.0 processes

  2. Lifecycle models • Show how activities are related to each other • Lifecycle models are: • management tools • simplified versions of reality • Many lifecycle models exist, for example: • From software engineering: waterfall, spiral, JAD/RAD, Microsoft • from HCI: Star, usability engineering

  3. A simple interaction design model Identify needs/ establish requirements (Re)Design Evaluate Build an interactive version Final product Exemplifies a user-centered design approach

  4. From software engineering Traditional ‘waterfall’ lifecycle Requirements analysis Design Code Test Maintenance

  5. From software engineering Spiral model (Barry Boehm) • Important features: • Risk analysis • Prototyping • Iterative framework so ideas can be checked and evaluated • Explicitly encourages considering alternatives • Good for large and complex projects but not simple ones

  6. From software engineering Spiral model (Barry Boehm) From cctr.umkc.edu/~kennethjuwng/spiral.htm

  7. From software engineering A Lifecycle for RAD (Rapid Applications Development) Project set-up JAD workshops Iterative design and build Engineer and test final prototype Implementation review

  8. From software engineering DSDM lifecycle model

  9. From Human Computer Interaction The Star lifecycle model Implementation task/functional analysis Requirements specification Prototyping Evaluation Conceptual/ formal design

  10. From Human Computer Interaction Usability engineering lifecycle model • Reported by Deborah Mayhew • Important features: • Holistic view of usability engineering • Provides links to software engineering approaches, e.g. OOSE • Stages of identifying requirements, designing, evaluating, prototyping • Can be scaled down for small projects • Uses a style guide to capture a set of usability goals

  11. Your Model for AGILE

  12. Your Model for AGILE & IXD

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