Monthly Archives: June 2015

Two workshop papers accepted at IDC 2015!

My lab has had two papers accepted to workshops at the upcoming ACM Interaction Design and Children conference, to be held later this month in Boston, MA. The first paper is for the Innovations in Interaction Design and Learning workshop, and reports what we’ve learned on the MTAGIC project so far regarding using HCI principles to design effective educational technology. See the paper here.

The other is for the Every Child a Coder? Research Challenges for a 5-18 Programming Curriculum workshop, and is a paper first-authored by my Ph.D. student Jeremiah Blanchard on his vision for open research challenges in transitioning students from blocks-based to “real” programming languages. His co-advisor and my colleague Christina Gardner-McCune is also an author. You can read the paper here.

We’re looking forward to the conference!


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INTERACT 2015 paper accepted on detecting child users from touch input.

My colleagues, Radu-Daniel Vatavu and Quincy Brown, and I, have combined our efforts on exploring touch interaction for children on a paper which has been accepted to the INTERACT 2015 conference! The paper, titled “Child or Adult? Inferring Smartphone Users’ Age Group from Touch Measurements Alone,” showed the results of our experiments to classify whether a user is a young child (ages 3 to 6) or an adult from properties of their touch input alone. Radu used his dataset of 3 to 6 year olds and supplemented with our MTAGIC dataset. The abstract is as follows:

We present a technique that classifies users’ age group, i.e., child or adult, from touch coordinates captured on touch-screen devices. Our technique delivered 86.5% accuracy (user-independent) on a dataset of 119 participants (89 children ages 3 to 6) when classifying each touch event one at a time and up to 99% accuracy when using a window of 7+ consecutive touches. Our results establish that it is possible to reliably classify a smartphone user on the fly as a child or an adult with high accuracy using only basic data about their touches, and will inform new, automatically adaptive interfaces for touch-screen devices.

You can download the camera-ready version of the paper here. Radu will be presenting our work at INTERACT, which will be held in Bamberg, Germany, in September. I’ll post the talk when available!

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