1. Avoiding Interference Through Translucent Interface Components in Single Display Groupware Ana Zanella & Saul Greenberg University of Calgary

2. The message zTranslucent interface components can be used in Single Display Groupware to help minimize interference among users.

3. SDG Configurations z co-located z shared display z multiple input devices

4. Interference

6. Minimizing Interference zTranslucent widgets: popup menus TranslucentOpaque

7. Research Question zCan people in Single Display Groupware effectively use translucent interface components in high interference situations?

8. User Study zSDG “connect the dots” game yPlayer yInterferer ySolo yOpaque yTranslucent

9. User Study zUsers’ satisfaction solotranslucentopaque Time1 Time2, #overlapping2 Time3, #overlapping3 Time22,Time23, #overlapping23 Time24, #overlapping24 sets 1 8 … ………

10. Results - Users’ Satisfaction zHow do the translucent menus affect your task compared to opaque menus ? EasierSameHarder 2820 Player

11. Results - Users’ Satisfaction zHow do the translucent menus affect your task compared to opaque menus ? EasierSameHarder 0525 Interferer

12. Results – Average Times ySolo < Translucent < Opaque

13. Results - Overlapping Overlapping No overlapping

14. Conclusion zTranslucent interface components can be used in Single Display Groupware to help minimize interference among users. yPeople like them yPeople perform faster zFull paper in ECSCW http://www.cpsc.ucalgary.ca/grouplab/papers/