Dr. John Opfer
Contact Information
- opfer.7@osu.edu
- Phone
- (614) 292-9547
Areas of Expertise
- Conceptual Development
- Representation
- Categorization
- Analogy and Induction
- Numerical Cognition
Education
- PhD, University of Michigan-Ann Arbor, 2000
- BA, The George Washington University, 1995
Awards, Honors and Recognition
2023: Huber Faculty Fellowship for Social and Behavioral Sciences
2022: IES Learning Acceleration Challenge Finalist
2010: Fellow, Association for Psychological Science
2000: Postdoctoral Research Fellowship, Carnegie Mellon University
1996: Graduate Research Fellowship Program Honorable Mention, National Science Foundation
1995: Phi Beta Kappa
Recent Publications
Qin, J., Kim, D, & Opfer, J. E. (2024). Varieties of number-line estimation: Systematic review, models, and data. Developmental Review, 74, 101-161. DOI.
Yu, S., Kim, D., Fitzsimmons, C. J., Mielicki, M. K., Thompson, C. A., & Opfer, J. E. (2022). From integers to fractions: The role of analogy in developing a coherent understanding of proportional magnitude. Developmental Psychology, 58(10), 1912–1930. DOI.
Opfer, J. E., Kim, D., Fazio, L., Zhou, X., & Siegler, R. S. (2021). Cognitive mediators of US-China differences in early symbolic arithmetic. PLoS ONE 16(8): e0255283. DOI.