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CS 3724: Introduction to Human Computer Interaction

CS 3724: Introduction to Human Computer Interaction. Chris North Jason Lee Szu-Chia Lu. WELCOME TO THE NEXT LEVEL. “Toto, I don’t think we’re in 2604 anymore.”. Class discussion, participation HWs/Projects: open-ended Group project Student presentations. Textbook.

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CS 3724: Introduction to Human Computer Interaction

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  1. CS 3724: Introduction to Human Computer Interaction Chris NorthJason LeeSzu-Chia Lu

  2. WELCOME TO THE NEXT LEVEL

  3. “Toto, I don’t think we’re in 2604 anymore.” • Class discussion, participation • HWs/Projects: open-ended • Group project • Student presentations

  4. Textbook • Mary Beth Rosson and John M. Carroll, Usability Engineering: Scenario-Based Development of HCI(required) • Visual C# .NET,Step-by-Step by Sharp&Jaggeror Core Ref by Williams(optional)

  5. The Project • Team-based • Choose topic • Information vizualization • Problem seeking / problem solving • Find users & problem, prototype, interim review presentation, evaluate, revise, final presentation • C# language?

  6. Grading Breakdown • Presentation (hall of fame/shame) 5% • homework (4 x 5%) 20% • Mid term 10% • Design project 50% • Team formation 0% • Requirements 10% • Formative analysis & design 20% • Interim presentation 5% • Prototype implementation 10% • Summative Evaluation 20% • Final presentation 5% • Final implementation 30% • Final 15%

  7. Policies • Homework due in class Thurs. Late = 0 • No early exams, make up by advance arrangement • Signed request with rationale • Reminder of VT Honor Code • Specifically, tests and homeworks are individual • Students with special needs see me ASAP

  8. Adminstrivia • Force-adds and prerequisite forms • CRN is 91680 / 91681 • Prerequisite is CS 2604, REQUIRED • Everyone must complete the forms TODAY • Must attend today • Add decisions by next meeting • Web page (courses.cs.vt.edu/~cs3724) contains syllabus, lecture outlines, assignments, and related materials

  9. HCI ??? • What is it? • Who cares? • Why is it hard? • How does it work? • What will I learn?

  10. 1. What is HCI?

  11. 1. What is HCI? Human-Computer Interaction

  12. 1. What is HCI? • Requirements analysis • Design • Development • Evaluation • of user interfaces for computer systems Human-Computer Interaction

  13. Huh? An example: HomeFinder

  14. Apartments.com

  15. HitList

  16. HomeFinder

  17. The Goal of HCI Usability • People are trying to accomplish their tasks in life. (system independent) • Introduce a system,User Interface should maximize their ability. task person system

  18. 2. Who Cares? Everyone, because: • Everything is a User Interface

  19. Doors

  20. More Doors

  21. 2. Who Cares? Everyone, because: • Everything is a User Interface • The User Interface is Everything

  22. Florida Cares! • Human error: Who’s fault is it?

  23. 3. Why is it so hard?

  24. Usability is hard • People (users) are all different • People are unpredictable • Design skill isn’t enough • Evaluation with users is required • Designer’s pride • New ways to think, break out of the box

  25. Usability is hard • People (users) are all different • People are unpredictable • Design skill isn’t enough • Evaluation with users is required • Designer’s pride • New ways to think, break out of the box • Programmers stink at Usability

  26. Usability is hard Programmers stink at Usability • don’t think like ‘normal’ people • know the software internals, technology first • enjoy systems more than people • arrogant (my software!)

  27. 4. How does it work? Usability Engineering Reqs Analysis Design Evaluate Develop

  28. 4. How does it work? Usability Engineering Reqs Analysis Design Evaluate Develop many iterations

  29. 5. What will I learn? • Task analysis • Ethnography Reqs Analysis • Usability studies • Controlled experiments Design Evaluate • Activity design • Information design • Interaction design Develop • GUI programming • Widgets, graphics, animation • C#

  30. ANALYZE analysis of stakeholders, field studies claims about current practice Problem scenarios Scenario-Based Design DESIGN Activity scenarios metaphors, information technology, HCI theory, guidelines iterative analysis of usability claims and re-design Information scenarios Interaction scenarios PROTOTYPE & EVALUATE summative evaluation formative evaluation Usability specifications

  31. Grander Goals? • Get angry! • Mental shift: • From system-centered design to user-centered design • Break out of the box

  32. Before you Leave… • Prerequisites form!

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