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Alex Arthur

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Publications by Alex Arthur (bibliography)

» 2008 «

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Oviatt, Sharon, Swindells, Colin and Arthur, Alex (2008): Implicit user-adaptive system engagement in speech and pen interfaces. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 969-978. Available online

“As emphasis is placed on developing mobile, educational, and other applications that minimize cognitive load on users, it is becoming more essential to explore interfaces based on implicit engagement techniques so users can remain focused on their tasks. In this research, data were collected with 12 pairs of students who solved complex math problems using a tutorial system that they engaged over 100 times per session entirely implicitly via speech amplitude or pen pressure cues. Results revealed that users spontaneously, reliably, and substantially adapted these forms of communicative energy to designate and repair an intended interlocutor in a computer-mediated group setting. Furthermore, this behavior was harnessed to achieve system”

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» 2006 «

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Oviatt, Sharon, Arthur, Alex and Cohen, Julia (2006): Quiet interfaces that help students think. In: Proceedings of the ACM Symposium on User Interface Software and Technology 2006. pp. 191-200. Available online

“As technical as we have become, modern computing has not permeated many important areas of our lives, including mathematics education which still involves pencil and paper. In the present study, twenty high school geometry students varying in ability from low to high participated in a comparative assessment of math problem solving using existing pencil and paper work practice (PP), and three different interfaces: an Anoto-based digital stylus and paper interface (DP), pen tablet interface (PT), and graphical tablet interface (GT). Cognitive Load Theory correctly predicted that as interfaces departed more from familiar work practice (GT > PT > DP), students would experience greater cognitive load such that performance would deteriorate in speed, attentional focus, meta-cognitive control, correctness of problem solutions, and memory. In addition, low-performing students experienced elevated cognitive load, with the more challenging interfaces (GT, PT) disrupting their performance disproportionately more than higher performers. The present results indicate that Cognitive Load Theory provides a coherent and powerful basis for predicting the rank ordering of users' performance by type of interface. In the future, new interfaces for areas like education and mobile computing could benefit from designs that minimize users' load so performance is more adequately supported.”

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Changes to this page (author)

13 Feb 2010: Enabled abstracts to be shown on Alex Arthur's author page.
12 May 2008: Author was edited

12 May 2008: Author was edited
24 Jul 2007: Author was added to the bibliography

Publication statistics

Publication period:2006-2008
Publication count:2
Number of co-authors:3

Productive colleagues

Alex Arthur's 3 most productive colleagues in number of publications:

Sharon Oviatt:16
Colin Swindells:10
Julia Cohen:1

Collaboration count

Number of publications with 3 favourite co-authors:

Sharon Oviatt:2
Colin Swindells:1
Julia Cohen:1

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Learn more about Alex Arthur:
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- ACM
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Conference Calendar

Mar 22

Workshop on Pervasive healthcare in the home : Supporting patient motivation and engagement

Mar 22

UX People

Mar 22

ETRA '10 - Eye Tracking Research & Applications Symp.

Mar 21

“ Software design is the act of determining the user's experience with a piece of software. It has nothing to do with how the code works inside, or how big or small the code is. The designer's task is to specify completely and unambiguously the user's whole experience. ”

-- David Liddle, From Bringing Design to Software, edited by Terry Winograd, 1996 ”

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Eva Hornecker on Tangible Interaction

Eva Hornecker explains the evolving concept of Tangible Interaction.

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Alex Arthur

Publications by Alex Arthur (bibliography)

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» 2006 «

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Eva Hornecker on Tangible Interaction

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