Erin Ottmar - Publications, H-index & Citations

Erin Ottmar

department of social science

17H指数

80论文数

947被引数

收录论文 22

发表时间

MathFlowLens: a classification and visualization tool for analyzing students’ procedural pathways MathFlowLens：一个用于分析学生程序化路径的分类与可视化工具

Educational technology research and development

IF0

2025-10-03

PREAI

Siddhartha Pradhan; Erin Ottmar; Ashish Gurung; Ji-Eun Lee

Unpacking strategy efficiency: Examining the relations between pre-solving pause time and productivity in a digital mathematics game 解析策略效率：考察数字数学游戏中预设暂停时间与生产率之间的关系

Metacognition and Learning

IF4.8

2025-08-23

PREAI

Ji-Eun Lee; Carly Siegel Thorp; Arba Kamberi; Erin Ottmar

Effects of Spacing and Color Perceptual Cues on Middle Schoolers’ Order-of-Operations Performance 间距和颜色感知线索对中学生运算顺序表现的影响

experimental education

IF0

2025-07-31

PREAI

Caroline Byrd Hornburg; Ji-Eun Lee; Avery H. Closser; Jeffrey K. Bye; Alena Egorova; Maegan A. Colbert; Shuqi Yu; Puyuan Zhang; Isabel Valdivia; Erin Ottmar

High School Math Course-Taking: Shifts in Access and Achievement Post-COVID-19 高中数学课程修读：后疫情时代的机会与成就转变

AERA Open

IF3.6

2025-07-23

OAAI

Megan Kuhfeld; Gustave Robinson; Jazmin Isaacs; Sofia Postell; Ji-Eun Lee; Erin Ottmar

MathFlowLens Dashboard: Co-Designing Teacher Orchestration Tools to Engage in Discourse Around Students' Mathematical Strategies MathFlowLens仪表盘：共同设计教师编排工具以参与围绕学生数学策略的讨论

computer assisted language learning

IF4.6

2025-04-24

PREAI

Thompson, Tamisha; St John, Jennifer; Pradhan, Siddhartha; Ottmar, Erin

In-person versus virtual: Learning modality selections and movement during COVID-19 and their influence on student learning 面对面与虚拟：COVID-19期间的学**习模式选择与活动及其对学生学习的影响

LEARNING ENVIRONMENTS RESEARCH

IF2.8

2025-03-22

PREAI

Ji-Eun Lee; Erin Ottmar; Jenny Yun-Chen Chan; Lauren Decker-Woodrow; Barbara Booker

Student profiles based on in-game performance and help-seeking behaviours in an online mathematics game

BRITISH JOURNAL OF EDUCATIONAL TECHNOLOGY

IF8.1

2024-04-13

PREAI

Norum, Reilly; Lee, Ji-Eun; Ottmar, Erin; Harrison, Lane

A comparison of machine learning algorithms for predicting student performance in an online mathematics game

INTERACTIVE LEARNING ENVIRONMENTS

IF5.3

2023-05-16

PREAI

Lee, Ji-Eun; Jindal, Amisha; Patki, Sanika Nitin; Gurung, Ashish; Norum, Reilly; Ottmar, Erin

Emergent Coding and Topic Modeling: A Comparison of Two Qualitative Analysis Methods on Teacher Focus Group Data

INTERNATIONAL JOURNAL OF QUALITATIVE METHODS

IF3.8

2023-03-22

OAAI

Miyaoka, Atsushi; Decker-Woodrow, Lauren; Hartman, Nancy; Booker, Barbara; Ottmar, Erin

Examining shifts in conceptual knowledge, procedural knowledge and procedural flexibility in the context of two game-based technologies 在两种基于游戏的技术的背景下检查概念知识，程序知识和程序灵活性的变化

computer assisted language learning

IF4.6

2023-03-03

PREAI

Chan, Jenny Yun-Chen; Closser, Avery H. H.; Ngo, Vy; Smith, Hannah; Liu, Allison S. S.; Ottmar, Erin

Keep DRAGging ON: Is solving more problems in DragonBox 12+associated with higher mathematical performance during the COVID-19 pandemic?

BRITISH JOURNAL OF EDUCATIONAL TECHNOLOGY

IF8.1

2023-02-15

OAAI

Chan, Jenny Yun-Chen; Byrne, Chloe; Jerusal, Janette; Liu, Allison S.; Roberts, Justin; Ottmar, Erin

Toward Automated Classroom Observation: Multimodal Machine Learning to Estimate CLASS Positive Climate and Negative Climate

IEEE TRANSACTIONS ON AFFECTIVE COMPUTING

IF9.8

2023-01-01

OAAI

Ramakrishnan, Anand; Zylich, Brian; Ottmar, Erin; LoCasale-Crouch, Jennifer; Whitehill, Jacob

Variables versus numbers: Effects of symbols and algebraic knowledge on students' problem-solving strategies

CONTEMPORARY EDUCATIONAL PSYCHOLOGY

IF3.8

2022-10-01

OAAI

Chan, Jenny Yun-Chen; Ottmar, Erin R.; Smith, Hannah; Closser, Avery H.

Does slow and steady win the race?: Clustering patterns of students' behaviors in an interactive online mathematics game

ETR&D-EDUCATIONAL TECHNOLOGY RESEARCH AND DEVELOPMENT

IF4.2

2022-08-02

PREAI

Lee, Ji-Eun; Chan, Jenny Yun-Chen; Botelho, Anthony; Ottmar, Erin

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

TECHNOLOGY KNOWLEDGE AND LEARNING

IF3.5

2022-04-08

PREAI

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

From Here to There! A Dynamic Algebraic Notation System Improves Understanding of Equivalence in Middle-School Students

JOURNAL OF EDUCATIONAL PSYCHOLOGY

IF6.4

2022-01-01

OAAI

Chan, Jenny Yun-Chen; Lee, Ji-Eun; Mason, Craig A.; Sawrey, Katharine; Ottmar, Erin

Slow down to speed up: Longer pause time before solving problems relates to higher strategy efficiency

LEARNING AND INDIVIDUAL DIFFERENCES

IF9

2022-01-01

OAAI

Chan, Jenny Yun-Chen; Ottmar, Erin R.; Lee, Ji-Eun

From here to there! Elementary: a game-based approach to developing number sense and early algebraic understanding

ETR&D-EDUCATIONAL TECHNOLOGY RESEARCH AND DEVELOPMENT

IF4.2

2019-02-06

PREAI

Hulse, Taylyn; Daigle, Maria; Manzo, Daniel; Braith, Lindsay; Harrison, Avery; Ottmar, Erin

Adapting Perception, Action, and Technology for Mathematical Reasoning

CURRENT DIRECTIONS IN PSYCHOLOGICAL SCIENCE

IF5.8

2017-10-09

PREAI

Goldstone, Robert L.; Marghetis, Tyler; Weitnauer, Erik; Ottmar, Erin R.; Landy, David

Concreteness Fading of Algebraic Instruction: Effects on Learning

JOURNAL OF THE LEARNING SCIENCES

IF3.9

2016-10-19

PREAI

Ottmar, Erin; Landy, David

研究方向