Erin Ottmar

According to our database, Erin Ottmar authored at least 26 papers between 2012 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

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

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., November, 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., October, 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

Gamification and Deadending: Unpacking Performance Impacts in Algebraic Learning.

Siddhartha Pradhan, Ashish Gurung, Erin Ottmar

Proceedings of the 14th Learning Analytics and Knowledge Conference, 2024

2023

The WearableLearning Platform: A Computational Thinking Tool Supporting Game Design and Active Play.

Ivon Arroyo, Avery Harrison Closser, Francisco Castro, Hannah Smith, Erin Ottmar, Matthew Micciolo

Technol. Knowl. Learn., December, 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., July, 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., March, 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

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

Benefit of Gamification for Persistent Learners: Propensity to Replay Problems Moderates Algebra-Game Effectiveness.

Kirk Vanacore, Adam Sales, Allison S. Liu, Erin Ottmar

Proceedings of the Tenth ACM Conference on Learning @ Scale, 2023

2022

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

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

Proceedings of the 43rd Annual Meeting of the Cognitive Science Society, 2021

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

Proceedings of the 43rd Annual Meeting of the Cognitive Science Society, 2021

2020

Spacing Out! Manipulating Spatial Features in Mathematical Expressions Affects Performance.

Avery Harrison, Hannah Smith, Taylyn Hulse, Erin Ottmar

J. Numer. Cogn., 2020

Equivalence Tasks in a Digital Algebraic Notation System Promotes Performance in Middle School Mathematics.

Katharine Sawrey, Jenny Yun-Chen Chan, Erin Ottmar

Proceedings of the Interdisciplinarity in the Learning Sciences: Proceedings of the 14th International Conference of the Learning Sciences, 2020

For Good Measure: Identifying Student Measurement Estimation Strategies Through Actions, Language, and Gesture.

Avery Harrison, Hannah Smith, Anthony Botelho, Erin Ottmar, Ivon Arroyo

Proceedings of the Interdisciplinarity in the Learning Sciences: Proceedings of the 14th International Conference of the Learning Sciences, 2020

2019

Toward Automated Classroom Observation: Predicting Positive and Negative Climate.

Anand Ramakrishnan, Erin Ottmar, Jennifer LoCasale-Crouch, Jacob Whitehill

Proceedings of the 14th IEEE International Conference on Automatic Face & Gesture Recognition, 2019

2018

The Wearable Learning Cloud Platform for the Creation of Embodied Multiplayer Math Games.

Matthew Micciolo, Ivon Arroyo, Avery Harrison, Taylyn Hulse, Erin Ottmar

Proceedings of the Artificial Intelligence in Education - 19th International Conference, 2018

Computational Thinking Through Game Creation in STEM Classrooms.

Avery Harrison, Taylyn Hulse, Daniel Manzo, Matthew Micciolo, Erin Ottmar, Ivon Arroyo

Proceedings of the Artificial Intelligence in Education - 19th International Conference, 2018

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

Categories of Large Numbers in Line Estimation.

David Landy, Arthur Charlesworth, Erin Ottmar

Cogn. Sci., 2017

Wearable Learning: Multiplayer Embodied Games for Math.

Ivon Arroyo, Matthew Micciolo, Jonathan D. L. Casano, Erin Ottmar, Taylyn Hulse, Ma. Mercedes T. Rodrigo

Proceedings of the Annual Symposium on Computer-Human Interaction in Play, 2017

2015

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

Proceedings of the 37th Annual Meeting of the Cognitive Science Society, 2015

2014

Cutting In Line: Discontinuities in the Use of Large Numbers by Adults.

David Landy, Arthur Charlesworth, Erin Ottmar

Proceedings of the 36th Annual Meeting of the Cognitive Science Society, 2014

2012

Teaching the Perceptual Structure of Algebraic Expressions: Preliminary Findings from the Pushing Symbols Intervention.

Erin Ottmar, David Landy, Robert L. Goldstone

Proceedings of the 34th Annual Meeting of the Cognitive Science Society, 2012