1. Virtual University - Human Computer Interaction 1 © Imran Hussain | UMT Imran Hussain University of Management and Technology (UMT) Lecture 27 Behavior & Form – Part II Virtual University Human-Computer Interaction

2. Virtual University - Human Computer Interaction 2 © Imran Hussain | UMT In Last Lecture … Software Postures –Sovereign posture (full-screen programs: outlook, word) –Transient posture (temporary programs: calculator, volume control) –Daemonic posture (work in background: taskbar icons) –Auxiliary posture (streaming audio in browser pane)

3. Virtual University - Human Computer Interaction 3 © Imran Hussain | UMT In Today’s Lecture … Postures for Web Postures for other Platforms –Kiosks (transient) –Handheld Devices (transient) –Appliances (microwaves, transient) Orchestration and Flow Eliminating Excise

4. Virtual University - Human Computer Interaction 4 © Imran Hussain | UMT Web Postures Information-oriented sites Transaction-oriented sites Portals

5. Virtual University - Human Computer Interaction 5 © Imran Hussain | UMT Other Platforms Kiosks Handheld devices Appliances

6. Virtual University - Human Computer Interaction 6 © Imran Hussain | UMT Introduction

7. Virtual University - Human Computer Interaction 7 © Imran Hussain | UMT User in harmonious frame of mind  user is productive  software productive

8. Virtual University - Human Computer Interaction 8 © Imran Hussain | UMT Flow and Transparency

9. Virtual University - Human Computer Interaction 9 © Imran Hussain | UMT What is Flow?

10. Virtual University - Human Computer Interaction 10 © Imran Hussain | UMT How to Improve Flow?

11. Virtual University - Human Computer Interaction 11 © Imran Hussain | UMT How to Make an Interface Invisible?

12. Virtual University - Human Computer Interaction 12 © Imran Hussain | UMT Follow Mental Models

13. Virtual University - Human Computer Interaction 13 © Imran Hussain | UMT Direct, Don’t Discuss

14. Virtual University - Human Computer Interaction 14 © Imran Hussain | UMT Keep Tools Close At Hand

15. Virtual University - Human Computer Interaction 15 © Imran Hussain | UMT Mode-less Feedback

16. Virtual University - Human Computer Interaction 16 © Imran Hussain | UMT Orchestration

17. Virtual University - Human Computer Interaction 17 © Imran Hussain | UMT What is Orchestration?

18. Virtual University - Human Computer Interaction 18 © Imran Hussain | UMT How can we Ensure Good Orchestration?

19. Virtual University - Human Computer Interaction 19 © Imran Hussain | UMT Adding Finesse: Less is More

20. Virtual University - Human Computer Interaction 20 © Imran Hussain | UMT Distinguishing Possibility from Probability

21. Virtual University - Human Computer Interaction 21 © Imran Hussain | UMT Providing Comparisons

22. Virtual University - Human Computer Interaction 22 © Imran Hussain | UMT Using Graphical Input

23. Virtual University - Human Computer Interaction 23 © Imran Hussain | UMT Reflecting Program Status

24. Virtual University - Human Computer Interaction 24 © Imran Hussain | UMT Avoiding Unnecessary Reporting

25. Virtual University - Human Computer Interaction 25 © Imran Hussain | UMT Avoiding Blank Slates

26. Virtual University - Human Computer Interaction 26 © Imran Hussain | UMT Command Invocation vs. Configuration

27. Virtual University - Human Computer Interaction 27 © Imran Hussain | UMT Asking Questions vs. Providing Choices

28. Virtual University - Human Computer Interaction 28 © Imran Hussain | UMT Hiding Ejector Seat Levers

29. Virtual University - Human Computer Interaction 29 © Imran Hussain | UMT Excise

30. Virtual University - Human Computer Interaction 30 © Imran Hussain | UMT What is Excise?

31. Virtual University - Human Computer Interaction 31 © Imran Hussain | UMT GUI Excise

32. Virtual University - Human Computer Interaction 32 © Imran Hussain | UMT Excise and Expert Users

33. Virtual University - Human Computer Interaction 33 © Imran Hussain | UMT Training Wheels

34. Virtual University - Human Computer Interaction 34 © Imran Hussain | UMT “Pure Excise”

35. Virtual University - Human Computer Interaction 35 © Imran Hussain | UMT Visual Excise

36. Virtual University - Human Computer Interaction 36 © Imran Hussain | UMT Determining What is Excise

37. Virtual University - Human Computer Interaction 37 © Imran Hussain | UMT Stopping the Proceedings

38. Virtual University - Human Computer Interaction 38 © Imran Hussain | UMT Errors, Notifiers and Confirmation Messages

39. Virtual University - Human Computer Interaction 39 © Imran Hussain | UMT Making the user ask permission

40. Virtual University - Human Computer Interaction 40 © Imran Hussain | UMT Protecting us from ourselves

41. Virtual University - Human Computer Interaction 41 © Imran Hussain | UMT unresponsiveness

42. Virtual University - Human Computer Interaction 42 © Imran Hussain | UMT Common excise tips