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User System Interface CSC 8570-001

User System Interface CSC 8570-001. Fall 2007 Instructor: Robert E. Beck. AKA. Human Computer Interaction CSC 4730-001. Introductions (1). Information sheet Questionnaire: student information Questions Who invented the computer mouse? When? Where?

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User System Interface CSC 8570-001

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  1. User System InterfaceCSC 8570-001 Fall 2007 Instructor: Robert E. Beck

  2. AKA Human Computer Interaction CSC 4730-001

  3. Introductions (1) • Information sheet • Questionnaire: student information • Questions • Who invented the computer mouse? When? Where? • What battery operated devices do you have with you tonight? • What (computer-based) POS systems do you typically encounter as a customer in a standard week? • If you went west on US 30, which is Lancaster Avenue in front of Villanova, until it (US 30) ended, where would you be?

  4. Introductions (2) • Name • If working • For what company? • In what capacity? • Describe the user interface of the first computer you used.

  5. Battery Operated Devices • Cell phone • Laptop • Watch • Car remote • 2-button: lock/unlock, panic • 3-button: lock, unlock, panic • 4-button: lock, unlock, trunk, panic • Digital camera

  6. Goals • Developing design principles • Investigating models and theories • Creating evaluation processes • Experimentation • Opinion • Outlining an effective design process—interface engineering • Proposing interface designs

  7. Themes (1) • Hierarchy of design principles • Models • Theories (or theory) • Awareness • Mental models • Common interactions • Microsoft vs. others • General knowledge

  8. Themes (2) • Multidisciplinary approach • Frontiers of HCI • Definitions, use of words • Examples

  9. Strategies (Ways of Knowing) • Create concept maps for reading assignments • Combine individual maps • Slip-of-paper (SOP) questions and surveys • Summarize results • Lectures, sometimes • Discussion, always • Argumentation, when appropriate

  10. Strategies (2) • Examples • Careful reading of research and survey articles • PowerPoint as a guide • Light on dark? Dark on light? • Posted after class on course web site

  11. Activities • Research project • Report • Presentation • Poster • Article presentation • Web-based project • Exercises • Experiments • Exam – in two parts • Second part: December 19

  12. Responsibilities • Attendance • Reading • Team support • Dialog with classmates and instructor

  13. Hot TopicsBurning Questions Time for your thoughts • Pair up by twos • For the next few minutes, write down as many issues or problems in user-system interaction as you can.

  14. Issue Summary • How do we do this?

  15. Hot Areas; Burning IssuesThe List • Too much information on screen • User friendliness • Taking human cognition into consideration • Unnecessary functionality; design overkill • System wide consistency; uniformity of appearance • Compatibility across applications • Proper widgets for input • Informative error handling • Understandable system navigation

  16. The List (2) • Balance between dynamic and static elements on web pages • Categorizing data • Design for the intended users • Performance of application: speed, accuracy, user confidence • Transition from older to newer designs • Use of appropriate color schemes • Handling screen settings • Providing appropriate feedback to user • Accessibility for people with disabilities

  17. Hot Topics: Others’ Ideas • CHI 2005 topics • CHI 2007 topics • HCIL presentations • Interactions

  18. Landscape of the Field • Taxonomy • Ontology

  19. Sources • ACM Digital Library • Conference proceedings (MSC 159) • The Web—but be careful • The course web site • University HCI labs, e.g. • U of Maryland www.cs.umd.edu/hcil • Popular press • Information Week • Financial Times • Falvey Library reference desk

  20. Contacts • PhiCHI – Philadelphia region chapter of SIGCHI • SIGCHI – ACM Special Interest Group on Computer Human Interaction

  21. Conferences • ACE – Computer Entertainment Technology • AVI – Advanced Visual Interfaces • CHI – Computer Human Interaction • CSCW – Computer Supported Cooperative Work • DSV-IS • HCI International • HCIL Symposium (U Maryland) • HICS • Hypertext

  22. Conferences (2) • IDC • Interact • IUI – Intelligent User Interfaces • IVA • SG – Smart Graphics • SIGIR – Information Retrieval • UIST – User Interface Software Technology • User Modeling • World Wide Web

  23. Tools • Concept maps: • http://cmap.ihmc.us • EndNote • Task models: • ConcurTaskTrees Environment • Help compiler • Treemap: • http://www.cs.umd.edu/hcil/treemaps/

  24. Eras of HCI • Holes • Command lines • Menus and characters • Widget objects and bit maps

  25. What to Study: Potential Topics • Tiny interfaces: Cell phones, smartphones, PDAs, ultramobile PCs, house systems, POS systems • Gesture-based input; pen interfaces • Intelligent interfaces (cf. IUI) • Task analysis (e.g. buying a ticket) • Collaboration tools/systems (cf. CSCW) • Personalization; recommender systems • Friendly forms • Creating digital libraries • Mashup tools

  26. Reading a Research Paper • Expect to find • Abstract • Introduction • Description of experiment • Discussion of results • Conclusion • Proposals for future work • References

  27. Reading (2) • Try the abstract—though it may be too abstract, too condensed. • Read the introduction until you get confused. • Read the conclusion. • Look at the reference list—hoping to find papers you already know about. • Check the headings and first few lines of the middle sections for ease of understanding.

  28. Reading (3) • Examples: • MacKenzie: Unipad text entry • MacKenzie: Text entry errors

  29. Next Time • Read Wigdor & Balakrishnan, Tilt Text: using tilt for text input to mobile phones. (You can get a copy of the paper from the ACM Digital Library.) • Evaluate its structure and content as a research paper. • Identify design principles for user interfaces based on the paper. • Hand in your solution to the table exercise.

  30. Next Time (2) • Install EndNote on your computer and record the references from the Wigdor paper in it. • EndNote has been available for loan from the library. Check with the Reference Desk • Install the CMAP software on your computer and capture the principal ideas of today’s lecture in it.

  31. Next Time (3) • How would you find out where US 30 ends using various computer systems? • What is the difference between taxonomy and ontology? • How is the field of HCI divided?

  32. The Future of HCI Take a few minutes to read John Canny’s introduction to the July/August 2006 issue of HCI. • Do Canny’s views match our ideas? • What did he miss? • What did we miss?

  33. Handouts • John Canny, The Future of HCI, from HCI, 4(2006), July/August

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