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imaginary phone— learning by transfer

imaginary phone— learning by transfer. s ean g ustafson c hristian h olz patrick b audisch. or projector. to achieve ultimate mobility: sacrifice screen  limited to gesture-based interaction. gesture pendant [ISWC’00].

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imaginary phone— learning by transfer

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  1. imaginary phone— learning by transfer sean gustafson christian holz patrick baudisch

  2. or projector to achieveultimatemobility: sacrifice screen  limited to gesture-based interaction gesture pendant[ISWC’00]

  3. but spatial interaction (pointing) is the interaction style of current devices.

  4. bring spatial interaction back, despite non-visual imaginary interfaces = “touch screen without the screen”

  5. but the big problem is learning ?

  6. imaginary phone

  7. for this to work…

  8. transfer learning 1. users repeatedly performa task usinga physical device

  9. transfer learning 2. this builds up spatial memory, eventuallyallows performing the task without phone

  10. to make this work, we make imaginaryphone mimics the layout of the physical phone

  11. imaginary phone prototype does transfer learning work?

  12. prototype

  13. what we used our new camera

  14. TUIO over WiFi

  15. does transfer learning work?

  16. main hypothesis: through repeated use of a physical deviceusers learn how to operate the imaginary counterpart

  17. with repeated use of physical phone, usersbuild up spatial memory spatialmemory mapsto the hand on the hand users target accurately learn map target

  18. learn map target 1) users build up spatial memory?

  19. “Do you have an iPhone? (and do you like chocolate?)”

  20. participant experimenter

  21. results results 7 1% % 6 7 % 6 5 % percentage ofcorrectly placed apps apps used D a i l y W e e k l y R a r e l y

  22. learn map target 2) does spatial memory map to the hand?

  23. there was a second condition select on hand select on phone prop

  24. results % % percentage ofcorrectly placed apps

  25. results % % percentage ofcorrectly placed apps

  26. ✔ learn map target 3) on the hand, users target accurately?

  27. select on palm

  28. select in empty space select on palm

  29. 50% more accurate

  30. ✔ ✔ learn map target

  31. if users know 70% of functions…do we need to train them to 100%? no, actually knowledge of a single function gets you started

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