Presentation	2004/6/12 Difficulty Estimation for Input Operation by Using Pupil Size Makoto KATSUKURA, Minoru NAKAYAMA,
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Abstract(in English)	In this paper, the relationship between human's pupil size and difficulty of input operation was examined. We prepared three type of input devices as the pointing device; mouse, cursor keys and a small remote controller. A simple pointing task was given to subjects and their pupil size were measured during the task. Comparing the usability score which estimated by questionnaires and average pupil size, there were a strong negative correlation between them. And we also compared error rate of the task and average pupil size. Then it was found that the error rate and average had a strong positive correlation. Additionally, it was suggested the temporal pupillary change depended on input device.
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Keyword(in English)	Pupil / Input device / questionaire / Human-Computer Interaction
Paper #	ET2004-16
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Conference Information
Committee	ET
Conference Date	2004/6/12(1days)
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Paper Information
Registration To	Educational Technology (ET)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Difficulty Estimation for Input Operation by Using Pupil Size
Sub Title (in English)
Keyword(1)	Pupil
Keyword(2)	Input device
Keyword(3)	questionaire
Keyword(4)	Human-Computer Interaction
1st Author's Name	Makoto KATSUKURA
1st Author's Affiliation	Graduate School of Science and Technology, Tokyo Institute of Technology()
2nd Author's Name	Minoru NAKAYAMA
2nd Author's Affiliation	CRADLE, Tokyo Institute of Technology
Date	2004/6/12
Paper #	ET2004-16
Volume (vol)	vol.104
Number (no)	132
Page	pp.pp.-
#Pages	6
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