RumbleBlocks: Teaching science concepts to young children through a Unity game. - Michael G. Christel; Scott M. Stevens; Bryan Maher; Sean Brice; Matt Champer; Luke Jayapalan; Qiaosi Chen; Jing Jin; Daniel Hausmann 002; Nora Bastida; Xun Zhang; Vincent Aleven; et al. (CGAMES, 2012)

In search of learning: facilitating data analysis in educational games. - Erik Harpstead; Brad A. Myers; Vincent Aleven (CHI, 2013)

Investigating the Solution Space of an Open-Ended Educational Game Using Conceptual Feature Extraction. - Erik Harpstead; Christopher J. MacLellan; Kenneth R. Koedinger; Vincent Aleven; Steven P. Dow; Brad A. Myers (EDM, 2013)

Beanstalk: A unity game addressing balance principles, socio-emotional learning and scientific inquiry. - Michael G. Christel; Scott M. Stevens; Matt Champer; John Balash; Sean Brice; Bryan Maher; Danny Hausmann 002; Nora Bastida; Chandana Bhargava; Weiwei Huo; Xun Zhang; Samantha Collier; et al. (IGIC, 2013)

Using extracted features to inform alignment-driven design ideas in an educational game. - Erik Harpstead; Christopher J. MacLellan; Vincent Aleven; Brad A. Myers (CHI, 2014)

Discovering Knowledge Models in an Open-ended Educational Game using Concept Formation. - Erik Harpstead; Christopher J. MacLellan; Vincent Aleven (AIED Workshops, 2015)

Authoring Tutors with Complex Solutions: A Comparative Analysis of Example Tracing and SimStudent. - Christopher J. MacLellan; Erik Harpstead; Eliane Stampfer Wiese; Mengfan Zou; Noboru Matsuda; Vincent Aleven; Kenneth R. Koedinger (AIED Workshops, 2015)

Using Empirical Learning Curve Analysis to Inform Design in an Educational Game. - Erik Harpstead; Vincent Aleven (CHI PLAY, 2015)

What Drives People: Creating Engagement Profiles of Players from Game Log Data. - Erik Harpstead; Thomas Zimmermann 001; Nachiappan Nagappan; Jose J. Guajardo; Ryan Cooper; Tyson Solberg; Dan Greenawalt (CHI PLAY, 2015)

The Apprentice Learner architecture: Closing the loop between learning theory and educational data. - Christopher J. MacLellan; Erik Harpstead; Rony Patel; Kenneth R. Koedinger (EDM, 2016)

Learning Curve Analysis for Programming: Which Concepts do Students Struggle With? - Kelly Rivers; Erik Harpstead; Kenneth R. Koedinger (ICER, 2016)

Projective Replay Analysis: A Reflective Approach for Aligning Educational Games to Their Goals. - Erik Harpstead (2017)

Towards Natural Cognitive System Training Interactions: A Preliminary Framework. - Erik Harpstead; Christopher J. MacLellan; Robert P. Marinier; Kenneth R. Koedinger (AAAI Spring Symposia, 2018)

Student Agency and Game-Based Learning: A Study Comparing Low and High Agency. - Huy Anh Nguyen; Erik Harpstead; Yeyu Wang; Bruce M. McLaren (AIED (1), 2018)

How Does Order of Gameplay Impact Learning and Enjoyment in a Digital Learning Game? - Yeyu Wang; Huy Anh Nguyen; Erik Harpstead; John C. Stamper; Bruce M. McLaren (AIED (1), 2019)

Learning, Education, and HCI. - Benjamin Xie; Erik Harpstead; Betsy DiSalvo; Petr Slovák; Ahmed Kharrufa; Michael Jongseon Lee; Viktoria Pammer-Schindler; Amy Ogan; Joseph Jay Williams (CHI Extended Abstracts, 2019)

Toward a Twitch Research Toolkit: A Systematic Review of Approaches to Research on Game Streaming. - Erik Harpstead; Juan Sebastian Rios; Joseph Seering; Jessica Hammer (CHI PLAY, 2019)

Peer Feedback Processes in the Game Industry. - Joseph Seering; Ray Mayol; Erik Harpstead; Tianying Chen 001; Amy Shannon Cook; Jessica Hammer (CHI PLAY, 2019)

Comparison of Off the Shelf Data Mining Methodologies in Educational Game Analytics. - David J. Gagnon; Erik Harpstead; Stefan Slater (EDM (Workshops), 2019)

Toward Near Zero-Parameter Prediction Using a Computational Model of Student Learning. - Daniel Weitekamp III; Erik Harpstead; Christopher J. MacLellan; Napol Rachatasumrit; Kenneth R. Koedinger (EDM, 2019)

Exploring the Subtleties of Agency and Indirect Control in Digital Learning Games. - Erik Harpstead; J. Elizabeth Richey; Huy Anh Nguyen; Bruce M. McLaren (LAK, 2019)

Replay Enactments: Exploring Possible Futures through Historical Data. - Kenneth Holstein; Erik Harpstead; Rebecca Gulotta; Jodi Forlizzi (Conference on Designing Interactive Systems, 2020)

Investigating Differential Error Types Between Human and Simulated Learners. - Daniel Weitekamp III; Zihuiwen Ye; Napol Rachatasumrit; Erik Harpstead; Kenneth R. Koedinger (AIED (1), 2020)

An Interaction Design for Machine Teaching to Develop AI Tutors. - Daniel Weitekamp III; Erik Harpstead; Kenneth R. Koedinger (CHI, 2020)

Learning and education in HCI: a reflection on the SIG at CHI 2019. - Viktoria Pammer-Schindler; Erik Harpstead; Benjamin Xie; Betsy DiSalvo; Ahmed Kharrufa; Petr Slovák; Amy Ogan; Joseph Jay Williams; Michael Jongseon Lee (Interactions, 2020)

Toward Stable Asymptotic Learning with Simulated Learners. - Daniel Weitekamp III; Erik Harpstead; Kenneth R. Koedinger (AIED (2), 2021)

Towards Examining The Effects of Live Streaming an Educational Game. - Noor Hammad; Erik Harpstead; Jessica Hammer (CHI Extended Abstracts, 2021)

The Design of Co-Robotic Games for Computer Science Education. - Ross Higashi; Erik Harpstead; Jaemarie Solyst; Jonaya Kemper; Judith Odili Uchidiuno; Jessica Hammer (CHI PLAY, 2021)

Understanding Player Retention Strategies in Animal Crossing: New Horizons. - Michelle Hsieh; Noor Hammad; Erik Harpstead; Jessica Hammer (CHI PLAY, 2021)

Support Designer-Teacher Collaboration in Educational Game Design Using Learning Science Principles. - Qianou Ma; Erik Harpstead (CHI PLAY, 2021)

Negotiating Systemic Racial and Gender Bias as a Minoritized Adult Design Researcher. - Judith Odili Uchidiuno; Jaemarie Solyst; Jonaya Kemper; Erik Harpstead; Ross Higashi; Jessica Hammer (CHI PLAY, 2021)

Decomposed Inductive Procedure Learning. - Daniel Weitekamp III; Christopher MacLellan; Erik Harpstead; Kenneth R. Koedinger (CoRR, 2021)

Play for Real(ism) - Using Games to Predict Human-AI interactions in the Real World. - Rotem D. Guttman; Jessica Hammer; Erik Harpstead; Carol J. Smith (Proc. ACM Hum. Comput. Interact., 2021)

Changing Students' Perceptions of a History Exploration Game Using Different Scripts. - Stefan Slater; Ryan Baker 001; David J. Gagnon; Erik Harpstead; Juliana Ma. Alexandra L. Andres; Luke Swanson (ICCE, 2022)

Assessing the Effects of Open Models of Learning and Enjoyment in a Digital Learning Game. - Xinying Hou; Huy Anh Nguyen; J. Elizabeth Richey; Erik Harpstead; Jessica Hammer; Bruce M. McLaren (Int. J. Artif. Intell. Educ., 2022)

Exploring players' experience of humor and snark in a grade 3-6 history practices game. - David J. Gagnon; Ryan S. Baker 001; Sarah Gagnon; Luke Swanson; Nick Spevacek; Juliana Ma. Alexandra L. Andres; Erik Harpstead; Jennifer Scianna; Stefan Slater; Maria Ofelia Clarissa Z. San Pedro (CoRR, 2022)

Leveraging Cluster Analysis to Understand Educational Game Player Experiences and Support Design. - Luke Swanson; David J. Gagnon; Jennifer Scianna; John McCloskey; Nicholas Spevacek; Stefan Slater; Erik Harpstead (CoRR, 2022)

Analytics for Game-Based Learning. - Yoon Jeon Kim; José A. Ruipérez-Valiente; Dirk Ifenthaler; Erik Harpstead; Elizabeth Rowe (J. Learn. Anal., 2022)

"I'm a little less inclined to do it": How Afterschool Programs' Culture Impact Co-Design Processes and Outcomes. - Judith Odili Uchidiuno; Jaemarie Solyst; Erik Harpstead; Ross Higashi (Conference on Designing Interactive Systems, 2023)

Simulating Learning from Language and Examples. - Daniel Weitekamp III; Napol Rachatasumrit; Rachael Wei; Erik Harpstead; Kenneth R. Koedinger (AIED (Posters/Late Breaking Results/...), 2023)

GameAware Streaming Interfaces. - Noor Hammad; Erik Harpstead; Jessica Hammer (CHI PLAY (Companion), 2023)

Using Open Game Data to Understand Game-Based Learning. - Erik Harpstead; David J. Gagnon; Magy Seif El-Nasr; Luke Swanson (CHI PLAY (Companion), 2023)

V-Light: Leveraging Edge Computing For The Design of Mobile Augmented Reality Games. - Noor Hammad; Thomas Eiszler; Robert Gazda; John Cartmell; Erik Harpstead; Jessica Hammer (FDG, 2023)

Speculative Game Design of Asymmetric Cooperative Games to Study Human-Machine Teaming. - Erik Harpstead; Kimberly Stowers; Lane Lawley; Qiao Zhang; Christopher J. MacLellan (FDG, 2023)

Learning Within Gameplay Loops: Considering Adaptive Educational Technology from a Game Design Lens. - Erik Harpstead (HCI (34), 2023)

The View from MARS: Empowering Game Stream Viewers with Metadata Augmented Real-time Streaming. - Noor Hammad; Erik Harpstead; Jessica Hammer (UIST, 2023)

Comparative Design-Based Research: How Afterschool Programs Impact Learners' Engagement with a Video Game Codesign. - Jaemarie Solyst; Judith Odili Uchidiuno; Erik Harpstead; Jonaya Kemper; Ross Higashi (CoRR, 2023)

Designing Black Children in Video Games. - Yuki Chen; Jonaya Kemper; Erik Harpstead; Ross Higashi; Judith Uchidiuno (Interactions, 2023)

"What's Your Name Again?": How Race and Gender Dynamics Impact Codesign Processes and Output. - Judith Odili Uchidiuno; Jaemarie Solyst; Jonaya Kemper; Erik Harpstead; Ross Higashi; Jessica Hammer (ACM Trans. Comput. Hum. Interact., 2023)

Exploring The Affordances of Game-Aware Streaming to Support Blind and Low Vision Viewers: A Design Probe Study. - Noor Hammad; Frank Elavsky; Sanika Moharana; Jessie Chen; Seyoung Lee; Patrick Carrington; Dominik Moritz; Jessica Hammer; Erik Harpstead (ASSETS, 2024)

Open Game Data: Defining a Pipeline and Standards for Educational Data Mining and Learning Analytics with Video Game Data. - David J. Gagnon; Luke Swanson; Erik Harpstead (CoG, 2024)

Scaffolded versus Self-Paced Training for Human-Agent Teams. - Ying Choon Wu; Leon Lange; Jacob Yenney; Qiao Zhang; Erik Harpstead (HAI, 2024)

TRESTLE: A Model of Concept Formation in Structured Domains. - Christopher J. MacLellan; Erik Harpstead; Vincent Aleven; Kenneth R. Koedinger (CoRR, 2024)

AI2T: Building Trustable AI Tutors by Interactively Teaching a Self-Aware Learning Agent. - Daniel Weitekamp III; Erik Harpstead; Kenneth R. Koedinger (CoRR, 2024)

Towards a Design Framework for Data-Driven Game Streaming: A Multi-Stakeholder Approach. - Noor Hammad; Erik Harpstead; Jessica Hammer (Proc. ACM Hum. Comput. Interact., 2024)

"It's more of a vibe I'm going for": Designing Text-to-Music Generation Interfaces for Video Creators. - Noor Hammad; C. Ailie Fraser; Erik Harpstead; Jessica Hammer; Mira Dontcheva (Conference on Designing Interactive Systems, 2025)

Toward a Framework for Characterizing Teaming Difficulties in Cooperative Video Games. - Ziyu Li; Erik Harpstead (AAAI Spring Symposia, 2025)

Dice Adventure: An Asymmetrical Collaborative Game for Exploring the Hybrid Teaming Effects. - Qiao Zhang; Glen Smith; Ziyu Li; Yuxuan Dong; Erik Harpstead; Christopher J. MacLellan (FDG, 2025)

Decomposed Inductive Procedure Learning: Learning Academic Tasks with Human-Like Data Efficiency. - Daniel Weitekamp III; Christopher MacLellan; Erik Harpstead; Kenneth R. Koedinger (CoRR, 2025)