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Exploring tangible interaction Research presentation at ID-Studiolab Philip Ross 28-10-2002 contents Introduction Research area Set up Poco Moto Filmpjes Experiments Results Conclusions Introduction We don’t understand the VCR and the VCR doesn’t understand us Introduction

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exploring tangible interaction

Exploring tangible interaction

Research presentation

at ID-Studiolab

Philip Ross

28-10-2002

contents
contents
  • Introduction
  • Research area
  • Set up
    • Poco
    • Moto
  • Filmpjes
  • Experiments
  • Results
  • Conclusions
introduction
Introduction

We don’t understand the VCR and

the VCR doesn’t understand us

introduction4
Introduction

Why is this?

introduction5
Introduction

The VCR sees us as mere cognitive beings. And greatly overestimates our abilities and efforts

introduction6
Introduction

People are more than cognitive beings.

Communication is thinking, doing and feeling

Products should capitalize on all these skills

introduction7
Introduction

Thinking

Doing Feeling

Aesthetic interaction

research area
Research area

Aesthetic

research area9
Research area

Aesthetic

Tangible

research area10
Research area

Aesthetic

Tangible

Direct

research area11
Research area

Aesthetic

Tangible

Direct

Semantic

research area12
Research area

Aesthetic

Tangible

Direct

Semantic

Interaction ->

meaning

research area13
Research area

Aesthetic

Tangible

Direct

Semantic

Interaction ->

meaning

Experience &

translation ->

meaning

research area14
Research area

Aesthetic

Tangible

?

Direct

semantic

research set up
Research set-up

Functional aesthetic installation

Coppia Espressiva:

2 music products

Experiments

Observation,

questionnaires &

statistics

coppia espressiva
Coppia Espressiva

Poco

tangible

Musical

Semantic approach

Moto

tangible

Musical

Direct approach

slide17
Poco
  • From music term Poco a Poco (bit by bit)
  • Phycons (physical icons)
  • Expressive forms
slide18
Moto
  • Derived from music term Con moto (with movement)
  • Using gestures & tools
  • Dynamic
demonstration films
Demonstration films
  • Films can be downloaded from this URL:

(ID-Studiolab site)

  • Poco demo.mov (10.1 MB)
  • Moto demo.mov (16.8 MB)
experiments
Experiments
  • Creative session
    • 8 students expressing moods
  • Matching session
    • 22 subj rating expressions
creative session
Creative session

1. Learning (40 min)

2. Test assignment

3. Mood induction (4 moods induced by using film clips)

rating of mood (SAM)

4. Expressing the moods

rating of effort

rating of satisfaction

measuring time needed

5. Evaluation

creative session results
Creative session- results

Poco:

Clear & controllable

Natural mappings

Very usable

Very enjoyable

creative session results23
Creative session- results

Poco:

Clear & controllable

Natural mappings

Very usable

Very enjoyable

Moto:

Complex

2 tools didn’t work

More involvement

More possibilities

2 groups

creative session results24
Creative session- results

Poco:

Clear & controllable

Natural mappings

Very usable

Very enjoyable

Moto:

Complex

2 tools didn’t work

More involved

More possibilities

2 groups

Time, effort, satisfaction insignificant

matching session
Matching session
  • 22 subjects
  • Same mood induction
  • 10 music clips per mood
    • 5 intended
    • 5 random distracters
  • Rate appropriateness
matching session results
Matching session - results
  • Poco and Moto clips were rated differently

(X^2=14.121, p=0.03)

  • Poco clips were rated higher

(Mean rank Poco vs Moto: 453 vs 419. Mann-Whitney U=87429, p=0.031)

matching session results27
Matching session - results
  • Focusing on Moto-users:
  • 2 groups: 5 were able to express feelings, 3 were not
  • 5 made better clips on Moto than Poco!

Mann-Whitney U= 38983, p=0.004)

conclusions
Conclusions
  • Direct and semantic approach:
    • both suitable for intuitive, aesthetic & expressive interaction
  • Semantic approach:
    • phycons not only meaningful when referring, also powerful way of communicating expressive meaning
    • Mutual understanding of expressive meaning has positive effect on usability and joy of use
conclusions29
Conclusions
  • Direct approach:
    • elicits more extreme experiences
    • requires more subtlety
    • can easily become too complex.
    • When natural relation between cause and effect disappears, feeling of control disappears.
conclusions30
Conclusions
  • in both direct and semantic interaction: ‘Attractive things work better’ (Norman)

Experiencing aesthetics contributes to enjoyment AND results

slide31

More info

See www.studiolab.io.tudelft.nl/ross/project

or e-mail p.r.ross@student.tudelft.nl