1. How Do Users Perceive SUIs Jérémie Melchiorand Jean VanderdoncktUniversité catholique de Louvain Presentationat SUI2011 workshop

2. The need for quality Users need experience or knowledge User interfaces vary from an application to another Complex operations should not appear to be complex for the user Quality ITEA UsiXML project #08026, 2009-2012 2

3. Someoperations Set: to change features of a widget size, color Copy: create a copy of a widget Move: move a widget from a container to another one on the same on another computer Replace: replace a widget by another one Merge: put a widget in the same container than one or more widgets Split/Separate: split a container into two or more containers ITEA UsiXML project #08026, 2009-2012 3

4. RelatedWork ARIS in 2004 Coutaz et al. in 2006: Meta-User Interfaces for Ambient Spaces MigriXML in 2006 IMPROMPTU in 2008 ITEA UsiXML project #08026, 2009-2012 4

5. Survey Users' opinion 6 operations Different metaphors 14 participants More information in IJHCI'2011 journal paper ITEA UsiXML project #08026, 2009-2012 5

6. Set-up 14 participants 6operations 4metaphores for eachoperation 14*6*4 = 336 trials More information in IJHCI'2011 journal paper ITEA UsiXML project #08026, 2009-2012 6 A B C D

7. Experience with devices ITEA UsiXML project #08026, 2009-2012 7

8. Preferred interaction styles a: by drag&drop and direct manipulation of the object b: by iconic representation and menu selection c: by command line interface d: by code or indirect manipulation ITEA UsiXML project #08026, 2009-2012 8

9. Feedbacks for the operations ITEA UsiXML project #08026, 2009-2012 9

10. Feedbacks on the metaphors ITEA UsiXML project #08026, 2009-2012 10

11. Conclusions Tablets and kiosk: little experience Natural metaphors WYSIWYG Command line interface: for experienced users only not as the primary metaphor adaptation to user's profile ITEA UsiXML project #08026, 2009-2012 11