Quantifying Object- and Command-oriented Interaction Alix Goguey 1 , - PowerPoint PPT Presentation

Quantifying Object- and Command-oriented Interaction Alix Goguey 1 , Julie Wagner 2 , Géry Casiez 3 1 Inria, 2 University of Munich (LMU), 3 University of Lille

Resolution Task Result Strategy 2

What is a strategy? Elementary actions S1 S2 [Mackay AVI’02; Appert et al. 2005] 3

Extremes Object-oriented strategy Object 1 Object 2 Object 3 Object 4 Com. Com. Com. Com. 6 Com. 1 2 3 Com. 4 5 Command-oriented strategy 4

Problems C - o t m c e m j b a O n d - d o e r t i e n e n i t r e o d ? …and subjective 5

Our approach Object- oriented 1 Command- 0 oriented 0 1 6

Object-oriented metric S P(S) 0 0 0 0 1 1 2 3 P(S) ObjOri(S) = 1 - = 0.25 actions - objects 7

Command-oriented metric S P(S) 0 0 0 0 0 1 2 2 P(S) CmdOri(S) = 1 - = 0 actions - commands 8

Experiment 4 T ECHNIQUES x 3 T ASKS x 7 R EPETITIONS T ECHNIQUE 1: Fixed Palette 9

Experiment 4 T ECHNIQUES x 3 T ASKS x 7 R EPETITIONS T ECHNIQUE 2: Fixed Palette using Finger Identification 10

Experiment 4 T ECHNIQUES x 3 T ASKS x 7 R EPETITIONS T ECHNIQUE 3: Toolglass 11

Experiment 4 T ECHNIQUES x 3 T ASKS x 7 R EPETITIONS T ECHNIQUE 4: Finger Palette 12

13

14

Experiment 4 T ECHNIQUES x 3 T ASKS x 7 R EPETITIONS T ASK 1 T ASK 2 T ASK 3 15

Validation 1 0.8 Toolglass Object Oriented 0.6 0.4 0.2 Fixed Palette 0 0 0.2 0.4 0.6 0.8 1 Command Oriented 16

Results 1 0.8 Object Oriented 0.6 0.4 0.2 Finger palette 0 0 0.2 0.4 0.6 0.8 1 Command Oriented 17

Results 1 0.8 Object Oriented 0.6 T1 0.4 T2 0.2 Fixed palette using finger ID T3 0 0 0.2 0.4 0.6 0.8 1 Command Oriented 18

Summary Object- & Command-oriented metrics Validation Minimizing the required physical movement to switch tools does not necessarily lead to more object-oriented strategies Techniques and tasks both influence strategies 19

Thank you for your attention Alix Goguey 1 , Julie Wagner 2 , Géry Casiez 3 1 Inria, 2 University of Munich (LMU), 3 University of Lille 20