+ Follow

Multimodal flexibility CHI2010 paper - Oulasvirta & Bergstrom-Lehtovirta

by oulasvir on Apr 14, 2010

1,540 views

"A simple index for multimodal flexibility"

More…

"A simple index for multimodal flexibility"

Less

5 Embeds 159

http://www.hiit.fi	141
https://www.hiit.fi	9
http://translate.googleusercontent.com	5
http://www.slideshare.net	3
http://hiit.fi	1

Statistics

Favorites: 0
Downloads: 2
Comments: 0
Embed Views: 159
Views on SlideShare: 1,381
Total Views: 1,540

Multimodal flexibility CHI2010 paper - Oulasvirta & Bergstrom-Lehtovirta — Presentation Transcript

Antti Oulasvirta & Joanna Bergström-Lehtovirta A Simple Index for Multimodal Flexibility

Noise Fatigue Multitasking Abrupt events Interruptions Lower transduction capacity

Related techniques

Visual occlusion

Secondary tasks that overload cognitive faculties

Dual-tasking with natural secondary tasks

Changing modality of information display/access

Task analysis

Cognitive modeling

MFI 0 ... 1 D

The LG Texting Championships

Blocking methodology

Example: 2 modalities Ear protection Cardboard Main task: Text copying, 30s

Audition, Vision Audition, Vision Audition, Vision Audition, Vision 5.0 1.0 2.5 0 1.0 0.2 0.5 0 MFI=(0.2+0.5+0)/(4-1)= 0.23 - -

Audition, Vision Audition, Vision Audition, Vision Audition, Vision 5.0 1.0 2.5 0 1.0 0.2 0.5 0 D a =((1.0-0.2)+(0.5-0))/2= 0.65 - -

a and b ? Bimodality indices

Study: Mobile Input Interfaces A Simple Index for Multimodal Flexibility Oulasvirta & Bergstrom-Lehtovirta

Interfaces Physical QWERTY Touchpad QWERTY ITU-12

Ear protection Plastic layer Cardboard Main task: Text copying, 30s

Baseline performance 6.8 7.8 (80% correct words) 4.3

5 1 0 Physical QWERTY 80% correct words Audition Vision Tactition Audition Vision Tactition Audition Vision Tactition Data from subject #11 Video Video Video

7 2 1 Touch-QWERTY 80% correct words Audition Vision Tactition Audition Vision Tactition Audition Vision Tactition Data from subject #11 Video Video Video

Audition Vision Tactition Audition Vision Tactition Audition Vision Tactition 8 3 2 ITU-12 80% correct words Data from subject #11 Video Video Video

MFI

Conclusion A Simple Index for Multimodal Flexibility Oulasvirta & Bergstrom-Lehtovirta

A simple index

Important for mobile HCI

Meaningful

Informative

Inexpensive

Running, watching, AND interacting? WHAT!? I can’t hear you! Can you find the snooze button? Surgical gloves block tactile input?

www.hiit.fi/mfi

ACKNOWLEDGEMENTS

This work was funded by the TEKES project Theseus and by the Emil Aaltonen Foundation.

We thank Ville Nurmi, Miikka Miettinen, Tuomo Kujala, Lingyi Ma, Pertti Saariluoma, Tero Jokela, Saija Lemmelä, Kimmo Rantala, Jari Laarni, Eve Hoggan, Poika Isokoski, Miika Silfverberg, Céline Coutrix, Heikki Summala, and Johannes Tarkiainen for help and comments.

A Simple Index for Multimodal Flexibility Oulasvirta & Bergstrom-Lehtovirta www.hiit.fi/mfi

Multimodal flexibility CHI2010 paper - Oulasvirta & Bergstrom-Lehtovirta

by oulasvir on Apr 14, 2010

Accessibility

Categories

Tags

Upload Details

Usage Rights

5 Embeds 159

Statistics

Multimodal flexibility CHI2010 paper - Oulasvirta & Bergstrom-Lehtovirta — Presentation Transcript