Teaching the Perceptual Structure of Algebraic Expressions: Preliminary Findings from the Pushing Symbols Intervention. - Erin Ottmar; David Landy; Robert L. Goldstone (CogSci, 2012)

Cutting In Line: Discontinuities in the Use of Large Numbers by Adults. - David Landy; Arthur Charlesworth; Erin Ottmar (CogSci, 2014)

Getting From Here to There! : Testing the Effectiveness of an Interactive Mathematics Intervention Embedding Perceptual Learning. - Erin Ottmar; David Landy; Robert L. Goldstone; Erik Weitnauer (CogSci, 2015)

Wearable Learning: Multiplayer Embodied Games for Math. - Ivon Arroyo; Matthew Micciolo; Jonathan D. L. Casano; Erin Ottmar; Taylyn Hulse; Ma. Mercedes T. Rodrigo (CHI PLAY, 2017)

Categories of Large Numbers in Line Estimation. - David Landy; Arthur Charlesworth; Erin Ottmar (Cogn. Sci., 2017)

Book Review of "Development of Mathematical Cognition: Neural Substrates and Genetic Influences" (2016) Edited by D. B. Berch, D. C. Geary, & K. M. Koepke. - Erin Ottmar (J. Numer. Cogn., 2017)

Computational Thinking Through Game Creation in STEM Classrooms. - Avery Harrison; Taylyn Hulse; Daniel Manzo; Matthew Micciolo; Erin Ottmar; Ivon Arroyo (AIED (2), 2018)

The Wearable Learning Cloud Platform for the Creation of Embodied Multiplayer Math Games. - Matthew Micciolo; Ivon Arroyo; Avery Harrison; Taylyn Hulse; Erin Ottmar (AIED (2), 2018)

Toward Automated Classroom Observation: Predicting Positive and Negative Climate. - Anand Ramakrishnan; Erin Ottmar; Jennifer LoCasale-Crouch; Jacob Whitehill (FG, 2019)

For Good Measure: Identifying Student Measurement Estimation Strategies Through Actions, Language, and Gesture. - Avery Harrison; Hannah Smith; Anthony Botelho; Erin Ottmar; Ivon Arroyo (ICLS, 2020)

Equivalence Tasks in a Digital Algebraic Notation System Promotes Performance in Middle School Mathematics. - Katharine Sawrey; Jenny Yun-Chen Chan; Erin Ottmar (ICLS, 2020)

Spacing Out! Manipulating Spatial Features in Mathematical Expressions Affects Performance. - Avery Harrison; Hannah Smith; Taylyn Hulse; Erin Ottmar (J. Numer. Cogn., 2020)

State vs. Trait: Examining Gaming the System in the Context of Math Perception Tasks. - Anthony Botelho; Jenny Yun-Chen Chan; Cindy Trac; Avery Harrison Closser; Hannah Smith; Kathryn C. Drzewiecki; Erin Ottmar (CogSci, 2021)

Numbers vs. Variables: The Effect of Symbols on Students' Math Problem-Solving. - Jenny Yun-Chen Chan; Hannah Smith; Avery Harrison Closser; Kathryn C. Drzewiecki; Erin Ottmar (CogSci, 2021)

Perceptual and number effects on students' initial solution strategies in an interactive online mathematics game. - Ji-Eun Lee; Caroline Byrd Hornburg; Jenny Yun-Chen Chan; Erin Ottmar (J. Numer. Cogn., 2022)

Benefit of Gamification for Persistent Learners: Propensity to Replay Problems Moderates Algebra-Game Effectiveness. - Kirk Vanacore; Adam Sales; Allison S. Liu; Erin Ottmar (L@S, 2023)

Examining shifts in conceptual knowledge, procedural knowledge and procedural flexibility in the context of two game-based technologies. - Jenny Yun-Chen Chan; Avery Harrison Closser; Vy Ngo; Hannah Smith; Allison S. Liu; Erin Ottmar (J. Comput. Assist. Learn., 2023)

Toward Automated Classroom Observation: Multimodal Machine Learning to Estimate CLASS Positive Climate and Negative Climate. - Anand Ramakrishnan; Brian Zylich; Erin Ottmar; Jennifer LoCasale-Crouch; Jacob Whitehill (IEEE Trans. Affect. Comput., 2023)

The effects of operator position and superfluous brackets on student performance in simple arithmetic. - Vy Ngo; Luisa Perez Lacera; Avery Harrison Closser; Erin Ottmar (J. Numer. Cogn., 2023)

Keep DRAGging ON: Is solving more problems in DragonBox 12+ associated with higher mathematical performance during the COVID-19 pandemic? - Jenny Yun-Chen Chan; Chloe Byrne; Janette Jerusal; Allison S. Liu; Justin Roberts; Erin Ottmar (Br. J. Educ. Technol., 2023)

The WearableLearning Platform: A Computational Thinking Tool Supporting Game Design and Active Play. - Ivon Arroyo; Avery Harrison Closser; Francisco Castro 001; Hannah Smith; Erin Ottmar; Matthew Micciolo (Technol. Knowl. Learn., 2023)

Gamification and Deadending: Unpacking Performance Impacts in Algebraic Learning. - Siddhartha Pradhan; Ashish Gurung; Erin Ottmar (LAK, 2024)

Perceiving precedence: Order of operations errors are predicted by perception of equivalent expressions. - Jeffrey K. Bye; Jenny Yun-Chen Chan; Avery Harrison Closser; Ji-Eun Lee; Stacy T. Shaw; Erin Ottmar (J. Numer. Cogn., 2024)

A comparison of machine learning algorithms for predicting student performance in an online mathematics game. - Ji-Eun Lee; Amisha Jindal; Sanika Nitin Patki; Ashish Gurung; Reilly Norum; Erin Ottmar (Interact. Learn. Environ., 2024)

Student profiles based on in-game performance and help-seeking behaviours in an online mathematics game. - Reilly Norum; Ji-Eun Lee; Erin Ottmar; Lane Harrison (Br. J. Educ. Technol., 2024)

MathFlowLens Dashboard: Co-Designing Teacher Orchestration Tools to Engage in Discourse Around Students' Mathematical Strategies. - Tamisha Thompson; Jennifer St. John; Siddhartha Pradhan; Erin Ottmar (J. Comput. Assist. Learn., 2025)