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Design Process

Design Process. …and the project. Agenda. Design process Video inspiration Project details. Design. How do we come up with new (good) designs for interactive systems? Why is it so difficult?. What is design?. achieving goals within constraints goals - purpose

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Design Process

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  1. Design Process …and the project

  2. Agenda • Design process • Video inspiration • Project details

  3. Design • How do we come up with new (good) designs for interactive systems? • Why is it so difficult?

  4. What is design? achieving goals within constraints • goals - purpose • who is it for, why do they want it • constraints • materials, platforms • trade-offs

  5. Interactions and Interventions • design interactions not just interfaces • not just the immediate interaction • e.g. stapler in office – technology changes interaction style • designing interventions not just artefacts • not just the system, but also … • documentation, manuals, tutorials • what we say and do as well as what we make

  6. The Tao of UCD DESIGN IMPLEMENT USE & EVALUATE

  7. User-Centered Design Process 1. Understand constraints/context 2. User analysis 2. Task analysis 4. Function allocation 5. Define usability criteria • All of the above included in requirements definition and task analysis.

  8. User-Centered Design (cont’d) 6. Design UI - including help and documentation • Consider alternatives! • Apply formative evaluation techniques & iterate 7. Build & test prototypes • Apply formative / summative evaluation techniques & iterate 8. Build & test the real application • Apply summative evaluation techniques & iterate 9. Release, update and maintain • Apply summative evaluation techniques & iterate

  9. Basic HCI process of design scenariostask analysis what iswanted guidelines principles analysis interviews ethnography what is there vs. what is wanted precisespecification design dialoguenotations implement and deploy evaluation heuristics prototype architectures documentation help

  10. Discussion • How would you incorporate HCI design into larger software engineering design frameworks?

  11. Requirements analysis Design Code Test Maintenance Traditional ‘waterfall’ lifecycle

  12. Spiral Lifecycle model From cctr.umkc.edu/~kennethjuwng/spiral.htm

  13. Why is HCI Design Difficult? • Difficult to deeply analyze human behavior • May be too close to the domain • Cost/features may be considered over good human factors • Creativity is challenging!

  14. Ideas come from Imagination Analogy Observation of current practice Observation of current systems Borrow from other fields Animation Theatre Information displays Architecture ..… metaphor How to be creative? How do we create and develop new interface ideas and designs?

  15. An inspirational video • IDEO: http://www.ideo.com/

  16. Project Structure • Group project – 5 people • Worth 50% of grade • Design and evaluate an interface • 1 - Understand the problem, users, tasks, environment (15%) • 2 – Design and prototype (20%) • 3 – Evaluation (15%)

  17. Project Groups • 5 people • You decide • Diverse is best! • Consider schedules, email habits, etc. • Form by next Tuesday – cool name • Choose topic by Jan. 24 (earlier if possible)

  18. Previous Projects • System for organizing and showcasing art • Friend Finder on a cell phone • System for assisting anesthesiologists • Money tracker in your wallet • Mobile photo album • Chef’s display in a kitchen Suggested Project Theme: Design a service to promote, encourage or support sustainability of the environment.

  19. Coming up with project ideas • Think of someone else • Avoid being biased by your intuitions • Think off the desktop too! • Mobile, handheld, environmental • Think everyday • Think about people first, then technology

  20. Project Topics • Real “client” • family and friends? • Organization you belong to, volunteer with? • Hobbies or other activities? • Domain • Office, home, school

  21. Programming requirements • Leverage team expertise • Full functionality is NOT intention • But good evaluation requires authentic experience

  22. Project Details • Part 0 – Team and topic formation – Due Jan. 24 • Create team page on Swiki • Choose a project topic • Part 1 - Understanding the problem – Due Feb. 12 • Describe tasks, users, environment, social context • Any existing systems in place • Helps form basis for your requirements • “Describe the problem, not the solution”

  23. Project Details • Part 2a - Design Alternatives poster – Due March 11 • Storyboards, mock-ups for multiple different designs • Get feedback on ideas during poster session • Part 2b – System Design and Evaluation Plan – Due April 3 • Description of the system requirements and design • Rationale for design decisions • Plan for conducting evaluation • Part 2c – System Prototype – Due April 3 • Prototype that implements all or part of the design • Allows for interactive experience

  24. Project Details • Part 3 – Evaluation – Due April 24 • Conduct evaluation with example users • Characterize pros and cons of the UI • Discuss what you would do to fix problems • Part 3b – Presentation – April 24 & 29 • In class presentation of the entire project, 15 minutes

  25. Your turn • Pair or triple up… • Brainstorm ideas/problems/applications with public transit • Choose a couple and elaborate • Pause to share ideas with everyone…

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