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cs3724: Introduction to HCI

cs3724: Introduction to HCI. Dr. Chris North GTA: Beth Yost. 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. Course Mechanics. Prerequisite forms:

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cs3724: Introduction to HCI

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  1. cs3724: Introduction to HCI Dr. Chris North GTA: Beth Yost

  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. Course Mechanics • Prerequisite forms: • 2604: CS >=C, ECE >=C-, else >F • Texts: • Usability Engineering, by Rosson & Carroll • Teach yourself Java2 in 21 days, SAMS (optional) • http://courses.cs.vt.edu • Office hours: after class, 619 McB • GTA hours: T Th 10-noon, 133 McB ?

  5. Grading • 25% Homeworks (4) • 5% Class presentation • 40% Project • 30% Exams (midterm, final) • Project: java, groups of 2 students • Project milestones: • Design • Initial implementation • Usability evaluation • Final implementation

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

  7. What is HCI?

  8. What is HCI? Human-Computer Interaction

  9. What is HCI? Human-Computer Interaction • Design • Development • Evaluation • of user interfaces • for computer systems

  10. Huh? An example: HomeFinder

  11. Apartments.com

  12. HitList

  13. HomeFinder

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

  15. Who Cares? • Everything is a User Interface

  16. Doors

  17. More Doors

  18. Communication Channels • System to human: • Human to system: system, world

  19. Who Cares? • Everything is a User Interface • The User Interface is Everything

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

  21. Why is it so hard?

  22. Why is it so hard? Programmers stink at Usability

  23. Why is it so 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!)

  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. How does it work? Usability Engineering Design Evaluate Develop many iterations

  26. What will I learn? • Principles • Requirements • Activity design • Information design • Interaction design Design Evaluate Develop • Usability evaluation • Controlled experiments • GUI programming • Widgets, graphics, animation • Java, Swing • Data-driven applications

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

  28. Homework #0: UI Measurement • Read UE ch 1 • See website • Pick a movie of your choice • Task: find a convenient playing time and location • Use 3 different systems: • 1-800-555-TELL • www.moviefone.com • www.hollywood.com/showtimes/ • Write down the time it takes you for each • Bring your times to class on Wed

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