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Chapter 2 The Wheel: A Lifecycle Template

Chapter 2 The Wheel: A Lifecycle Template. By, Robert Larmore Lisa Paul Palathingal. 02/20/2014. Introduction. Iterative, evaluation-centered, UX lifecycle template Iterative Process: All or part is repeated for the purpose of exploring, fixing or refining a design

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Chapter 2 The Wheel: A Lifecycle Template

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  1. Chapter 2The Wheel: A Lifecycle Template By, Robert Larmore Lisa Paul Palathingal 02/20/2014

  2. Introduction • Iterative, evaluation-centered, UX lifecycle template • Iterative Process: All or part is repeated for the purpose of exploring, fixing or refining a design • Lifecycle: Structured framework consisting of a series of stages and corresponding activities

  3. Four basic abstract activities

  4. The Wheel

  5. UX process activities • Analyze • Design • Implement • Evaluate

  6. UX process activities • Analyze • Design • Implement • Evaluate

  7. UX process activities Analyze: Understanding the business domain, user work and user needs Sub-activities: • Contextual Inquiry • Contextual analysis • Extracting requirements • Synthesizing design-informing models

  8. UX process activities • Analyze • Design • Implement • Evaluate

  9. UX process activities Design: Creating conceptual design, interaction behavior, and look and feel Sub-activities: • Design ideation and sketching • Mental models and conceptual design • Design production

  10. UX process activities • Analyze • Design • Implement • Evaluate

  11. UX process activities Implement: Prototyping Types: • Vertical • Horizontal • T • Local

  12. UX process activities • Analyze • Design • Implement • Evaluate

  13. UX process activities Evaluate: Verifying and refining interaction design Methods: • Rapid evaluation • Fully rigorous

  14. Flow among UX process activities

  15. Flow among UX process activities • Activities can overlap Objective: • Move forward to production

  16. Managing the process with activity transition criteria Team must be able to decide: • When to leave an activity • Where to go after any given activity • When to revisit a previous process activity • When to stop making transitions and proceed to production

  17. Managing the process with activity transition criteria Answers depend on transition criterion: • Whether designers have met the goals and objectives • Whether there are adequate resources (time and budget) remaining to continue

  18. Choosing a process instance for project Factors: • Risk tolerance • Project goals • Project resources • Type of system being designed • Stage of progress within project

  19. Project Parameters Risk: • Things going wrong • Features or requirements being missing • Not meeting needs of users The less tolerance for risks, the more need for rigor and completeness in the process

  20. Project Parameters Resources: • Budget • Schedule • Person Power

  21. Project Parameters • Practitioners with extensive experience need less rigorous process

  22. Project Parameters • Type of system being designed: Example: mp3 player vs. air traffic control system • Stage of progress within project: Early stage: Analysis Later stage: Evaluation

  23. Mapping project parameters to process choices

  24. The system complexity space

  25. Interaction complexity • About elaborateness of user actions to accomplish tasks in the system

  26. Interaction complexity Low interaction complexity: • smaller, easier tasks • Example: ordering flowers from a Website High interaction complexity: • larger, more difficult tasks • requires special skills or training • Example: manipulating a color image with Adobe Photoshop

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