John Opfer

According to our database, John Opfer authored at least 26 papers between 2011 and 2025.

Collaborative distances:

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

2025

The Role of Object Attention in Relational Mapping Changes Over Development.

Yujia Zhang, John Opfer

Proceedings of the 47th Annual Meeting of the Cognitive Science Society, 2025

Mixing Words and Pictures: Mixed Evidence for Common Conceptual Representations.

Hyekyung Park, John Opfer

Proceedings of the 47th Annual Meeting of the Cognitive Science Society, 2025

2024

Visual alignment promotes rapid learning of functional relations.

Yujia Zhang, John Opfer

Proceedings of the 46th Annual Meeting of the Cognitive Science Society, 2024

2023

Children Are Not Just Noisy Adults: Disentangling Noise and Bias in Numerical Estimation.

Hyekyung Park, John Opfer

Proceedings of the 45th Annual Meeting of the Cognitive Science Society, 2023

2022

Conceptual Prerequisites for Proportional Analogy.

Shuyuan Yu, Ho-Chieh Lin, John Opfer

Proceedings of the 44th Annual Meeting of the Cognitive Science Society, 2022

2021

Dynamics Versus Development in Numerosity Estimation: A Computational Model Accurately Predicts a Developmental Reversal.

Dan Kim, John Opfer

Cogn. Sci., 2021

Cognitive Supports for Objective Numeracy.

Shuyuan Yu, John Opfer

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

Toward a Comprehensive Developmental Theory for Symbolic Magnitude Understanding.

Hyekyung Park, John Opfer

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

2020

From Integers to Fractions: Developing a Coherent Understanding of Proportional Magnitude.

Shuyuan Yu, Dan Kim, Marta K. Mielicki, Charlies J. Fitzsimmons, Clarissa A. Thompson, John Opfer

Proceedings of the 42th Annual Meeting of the Cognitive Science Society, 2020

Machine Learning Optimizes Assessment: New Insights for the Development of Numerosity Estimation.

Sang Ho Lee, Dan Kim, John Opfer, Mark A. Pitt, Jay I. Myung

Proceedings of the 42th Annual Meeting of the Cognitive Science Society, 2020

Dynamics vs. Development in Numerosity Estimation: A Computational Model Accurately Predicts a Developmental Reversal.

Dan Kim, John Opfer

Proceedings of the 42th Annual Meeting of the Cognitive Science Society, 2020

2019

Active Learning for a Number-Line Task with Two Design Variables.

Sang Ho Lee, Dan Kim, John Opfer, Mark A. Pitt, Jay I. Myung

Proceedings of the 41th Annual Meeting of the Cognitive Science Society, 2019

2018

Source Retrieval Cues Facilitate Transfer in Fraction Learning.

Shuyuan Yu, John Opfer

Proceedings of the 40th Annual Meeting of the Cognitive Science Society, 2018

Rote versus Rule: Revisiting the Role of Language in Mathematical Thinking.

Jike Qin, John Opfer

Proceedings of the 40th Annual Meeting of the Cognitive Science Society, 2018

Taking Whorf to School: Does Language Reform Improve Student Learning?

John Opfer, Dan Kim, Pooja Sidney, Charlies J. Fitzsimmons, Clarissa A. Thompson

Proceedings of the 40th Annual Meeting of the Cognitive Science Society, 2018

Cognitive Processes in Numerosity Comparison: Theory and Data.

Dan Kim, John Opfer

Proceedings of the 40th Annual Meeting of the Cognitive Science Society, 2018

2017

Varieties of Numerical Estimation: A Unified Framework.

Jike Qin, Dan Kim, John Opfer

Proceedings of the 39th Annual Meeting of the Cognitive Science Society, 2017

Numerical and Non-numerical Magnitude Estimation.

Dan Kim, John Opfer

Proceedings of the 39th Annual Meeting of the Cognitive Science Society, 2017

2016

A Unified Framework for Bounded and Unbounded Numerical Estimation.

Dan Kim, John Opfer

Proceedings of the 38th Annual Meeting of the Cognitive Science Society, 2016

2015

Development of Numerosity Estimation: A Linear to Logarithmic Shift?

Dan Kim, John Opfer

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

2014

Numerical Estimation Under Supervision.

John Opfer, Clarissa A. Thompson

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

Mathematical Proficiency: Number Acuity vs. Numeracy.

Dan Kim, John Opfer

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

2013

Effects of numeric magnitude on the cortical valuation network.

Frank Kanayet, John Opfer, William Cunningham

Proceedings of the 35th Annual Meeting of the Cognitive Science Society, 2013

Cooperation Decreases with Development of Number Sense.

Ellen Furlong, John Opfer

Proceedings of the 35th Annual Meeting of the Cognitive Science Society, 2013

2011

Linear Numerical Magnitude Representations Aid Memory for Single Numbers.

Christopher Young, Francesca Marciani, John Opfer

Proceedings of the 33th Annual Meeting of the Cognitive Science Society, 2011

Learning Linear Spatial-Numeric Associations Improves Memory for Numbers.

Clarissa A. Thompson, John Opfer

Proceedings of the 33th Annual Meeting of the Cognitive Science Society, 2011