quantifying object- and command-oriented interaction · quantifying object- and command-oriented...

Quantifying Object- and Command-oriented Interaction

Alix Goguey1, Julie Wagner2, Géry Casiez3

1Inria, 2University of Munich (LMU), 3University of Lille

2

Resolution

Strategy

ResultTask

What is a strategy?

3

S1

S2

Elementary actions

[Mackay AVI’02; Appert et al. 2005]

Extremes

4

Object-oriented strategy

Command-oriented strategy

Object 1 Object 2 Object 3 Object 4

Com. 1Com.

2Com.

3 Com. 4Com.

5Com.

6

Problems

5

Object- oriented

Command- oriented?

…and subjective

Our approach

6

Object- oriented

Command- oriented0

0 1

1

Object-oriented metric

7

S

P(S) 0 0 0 0 1 1 2 3

ObjOri(S) = 1 - = 0.25P(S)actions - objects

Command-oriented metric

8

S

P(S) 0 0 0 0 0 1 2 2

CmdOri(S) = 1 - = 0P(S)actions - commands

Experiment

9

4 TECHNIQUES x 3 TASKS x 7 REPETITIONS

TECHNIQUE 1: Fixed Palette

Experiment

10TECHNIQUE 2: Fixed Palette using Finger Identification

4 TECHNIQUES x 3 TASKS x 7 REPETITIONS

Experiment

11TECHNIQUE 3: Toolglass

4 TECHNIQUES x 3 TASKS x 7 REPETITIONS

Experiment

12TECHNIQUE 4: Finger Palette

4 TECHNIQUES x 3 TASKS x 7 REPETITIONS

13

14

Experiment

15

TASK 1 TASK 2 TASK 3

4 TECHNIQUES x 3 TASKS x 7 REPETITIONS

Validation

16

0

0.2

0.4

0.6

0.8

1

0 0.2 0.4 0.6 0.8 1Command Oriented

Obj

ect

Orien

ted

Toolglass

Fixed Palette

17

0

0.2

0.4

0.6

0.8

1

0 0.2 0.4 0.6 0.8 1Command Oriented

Obj

ect

Orien

ted

Finger palette

Results

18

0

0.2

0.4

0.6

0.8

1

0 0.2 0.4 0.6 0.8 1Command Oriented

Obj

ect

Orien

ted

Results

Fixed palette using finger ID

T1

T2

T3

Summary

19

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

20

Thank you for your attention

Alix Goguey1, Julie Wagner2, Géry Casiez3

1Inria, 2University of Munich (LMU), 3University of Lille