Dr. Tiffany Barnes

Tiffany Barnes is Professor of Computer Science at NC State University. She received the B.S. and M.S. degrees in Computer Science and Mathematics, and the Ph.D. degree in Computer Science from N.C. State. Dr. Barnes has served as chair or program chair for many conferences, including ACM SIGCSE, Educational Data Mining RESPECT, STARS Celebration, and Foundations of Digital Games. Tiffany Barnes has recently served on the ACM Special Interest Group on Computer Science Education Board (2010-2016), the Board of Directors for the International Educational Data Mining Society (2011-present), Chair of IEEE Computer STC Broadening Participation, and Associate Editor for IEEE Transactions on Learning Technologies (2016-present). Dr. Barnes received an NSF CAREER Award for her novel work in using data and educational data mining to add intelligence to STEM learning environments. Dr. Barnes co-leads for the STARS Computing Corps, a consortium of 53 universities that has engaged 1700+ college students in outreach (to over 120K K12 students), research, and service to broaden participation in computing. Dr. Barnes is currently working on NSF-funded projects to provide data-driven intelligent tutoring support in STEM (1432156, 1726550) and novice programming (1623470), mine math educational game data for actionable insights (1544273), prepare high school teachers to teach the new AP CS Principles course (1542922, 1346922), and to prepare K12 teachers to integrate computational thinking into their courses, and provide research experiences to undergraduates (1659745).

Research Scholar

Dr. Veronica Catete

Veronica is an NSF graduate research fellow, winner of Microsoft Research Graduate Women's Scholarship, game designer, and leader in broadening participation in computing. Veronica's research focuses on K-12 Computer Science Education Implementation, such as educational games and HS courses. Veronica currently focuses on supporting the introduction of computing into K-12 STEM courses, where she puts her research into practice. Veronica also leads the Socially Relevant Computing and Analaytic REU program at NC State.

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Post Doc

Dr. Behrooz Mostafavi

Having worked with Dr. Barnes since 2009, Behrooz is the mastermind behind the Deep Thought project. Behrooz's research is focused on data-driven methods for improving personalized instruction in intelligent tutoring systems. Behrooz believes that proper education for all is the first step in creating a peaceful and progressive world, and delights in spreading knowledge wherever he can.

Current Graduate Students

Thomason Price (PhD)

Thomas Price is PhD student who started in 2013. Thomas's research is focused on data-driven techniques for providing individualized feedback and guidance to students during complex tasks, such as computer programming.

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Zhongxiu (Aurora) Liu (PhD)

Aurora started her PhD in 2014. Aurora is interested in analyzing data of student play in serious games. Aurora's past work has been on Deep Thought logic tutor, MOOC, and BOTS. She is currently working on ST Math-a set of math games created by MIND Research Institute designed to boost math comprehension and proficiency through visual learning.

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Yihuan Dong (PhD)

Yihuan joined the lab in 2014, with a background in Natural Language Processing and Software Engineering. He is assissting in the STEM+C project.

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Rui Zhi (PhD)

Rui joined the lab in 2014. Rui is interested in motivating students in learning programming concepts by applying cognitive science theories. Rui augmented BOTS to enable three different instructional support strategies that could help students learn more effectively. Rui is currently working on iSnap, a programming tutor for novice students.

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Christa Cody (PhD)

Christa joined the lab in Fall 2015. She is interested in using machine learning and data analytics to gain insight into how people learn and how they interact with intelligent tutoring systems. She is working on data analytics of Deep Thought and ST-Math projects.

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Alex Milliken (PhD)

Alex joined the lab in Fall 2015. She is passionate about teaching math and computing to kids. Alex is interested in understanding about learning disabilities (learning differences) and programming environments that cater to individual needs. She is currently kickstarting the LDinCS Project.

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Nicholas Lytle (PhD)

Nicholas joined the lab in Fall 2016. He is interested in Educational Games and CS Education and currently works on the STEM+C Project.

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Rachel Harred (PhD)

Rachel joined the lab in Spring 2017. She is interested in intelligent tutoring systems, educational games and machine learning. She is currently working on the Deep Thought project and starting a new ChatBot project for assitinging students.

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Bethany Janos (PhD)

Bethany joined the lab in Spring 2018. She currently works on implementing life science simulations for STEM+C.

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David Warren (Incoming - PhD)

Joining the lab in 2018, David Warren is a new PhD student. His primary interest is in researching intelligent tutoring systems, and he has also contributed to iSnap. He is currently working on an addition to the Deep Thought project to widen its coverage of discrete math fields.

Mehak Maniktala (Incoming - PhD)

Mehak is a Master's student who joined the lab in Fall 2017. She is working on enhancing Deep Thought with different Machine Learning techniques for better problem selection. She is also working on the ModSoc project for identifying behavioral patterns using data mining approaches.

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Current Undergraduate Researchers

David Lovato

David is a Senior new to the lab assisting on the ChatBot project.

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Lab Alumni

Graduate Students
Dr. John Stamper (2006-2009) - Assistant Professor, Carnegie Mellon University
Dr. Evie Powell (2006-2012) - President & Creative Director, Verge of Brilliance LLC
Dr. Matt Johnson (2009-2013) - Sr. Software Engineer, Rapyuta Robotics
Dr. Andrea Nickle (2008-2013)
Dr. Acey Boyce (2008-2013) - Statistical Analyst, Turbine Inc
Dr. Michael Eagle (2009-2015) - Post-doc Researcher at Carnegie Mellon University
Dr. Andrew Hicks (2009-2016) - Cognitive Software Developer,IBM
Rachel Brinkman - Software Engineer, Truefit
Rebecca Brown - Software Engineer, Foster Moore
Katie Doran - Project Manager, Oculus
Barry Peddycord III - Office of the Chief Technology Officer, Cumulus Network
Vikas Piddempally - Software Engineer, LexisNexis
Undergraduate Students
Trevor Brennan - NetApp
Mital Modi - Data Strategies Interchange, LLC
Shrenik Shah - Salesforce
Erin Snider - SAS
Kathleen Wassell - IBM Watson
Dr. Jennifer Albert (2013-2015) - Director of the STEM Center of Excellent at Citadel
Dr. Collin Lynch (2013-2015) - Assistant Professor, NC State
Dragan Lipovac (2015-2016) - Finance, Chicago