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TEI 2015

19th January 2015
 
The Association for Computer Machinery’s conference on Tangible, Embedded and Embodied Interaction addresses issues of human-computer interaction, design, interactive art, user experience, tools and technologies. A strong focus of the conference is how computing can bridge atoms and bits into cohesive interactive systems.
 
Learn more about the Conference here.
 
M-ITI Researchers had the following participations:
 
 

Relationship Tunnel Vision: Altered Social Interaction Using Eye-Tracking

 
by M-ITI Researchers Mon-Chu Chen, Bong-Keum Jeong and Victor Rivera
 
We present a gaze-based installation enabling two participants to experience cycles of relationship “destroyed” by tunnel vision. The installation comprises a holographic projection screen and two eye- trackers. The trackers allow us to identify the gaze positions and onset of eye contacts. The holographic screen makes it possible to block out the eyesight by projection and to see through without projection. Two participants sitting on both sides of the screen will encounter series of artificial tunnel vision and blindness.
We present a gaze-based installation enabling two participants to experience cycles of relationship “destroyed” by tunnel vision. The installation comprises a holographic projection screen and two eye- trackers. The trackers allow us to identify the gaze positions and onset of eye contacts. The holographic screen makes it possible to block out the eyesight by projection and to see through without projection. Two participants sitting on both sides of the screen will encounter series of artificial tunnel vision and blindness.
We present a gaze-based installation enabling two participants to experience cycles of relationship “destroyed” by tunnel vision. The installation comprises a holographic projection screen and two eye- trackers. The trackers allow us to identify the gaze positions and onset of eye contacts. The holographic screen makes it possible to block out the eyesight by projection and to see through without projection. Two participants sitting on both sides of the screen will encounter series of artificial tunnel vision and blindness.
 

The ATB Framework: Quantifying and Classifying Epistemic Strategies in Tangible Problem-Solving Tasks

 
Esteves, A., Bakker, S., Antle, A., May, A., Warren, J. and Oakley, I. 2015. 
 
In task performance, pragmatic actions refer to behaviors that make direct progress, while epistemic actions involve altering the world so that cognitive processes are faster, more reliable or less taxing. Epistemic actions are frequently presented as a beneficial consequence of interacting with tangible systems. However, we currently lack tools to measure epistemic behaviors, making substantiating such claims highly challenging. This paper addresses this problem by presenting ATB, a video-coding framework that enables the identification and measurement of different epistemic actions during problem-solving tasks. The framework was developed through a systematic literature review of 78 papers, and analyzed through a study involving a jigsaw puzzle – a classical spatial problem – involving 60 participants. In order to assess the framework’s value as a metric, we analyze the study with respect to its reliability, validity and predictive power. The broadly supportive results lead us to conclude that the ATB framework enables the use of observed epistemic behaviors as a performance metric for tangible systems. We believe that the development of metrics focused explicitly on the properties of tangible interaction are currently required to gain insight into the genuine and unique benefits of tangible interaction. The ATB framework is a step towards this goal.

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