Charles J. Fitzsimmons

University of North Florida — United States

Mathematics · Physical Sciences

11h-index301citations38works0.52yr avg
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Research Topics

Cognitive and developmental aspects of mathematical skills(24), Mathematics Education and Teaching Techniques(15), Education, Achievement, and Giftedness(7), Reading and Literacy Development(6), Mathematics Education and Pedagogy(6)

Publications38 total

Macro- and micro-level developmental changes in mathematics strategy use in higher education physics courses
Learning and Instruction·2026
Lack of integrated number sense among college students: Evidence from rational number cross-notation comparison.
Journal of Experimental Psychology Human Perception & Performance·2025Open Access
Parental math anxiety is associated with negative emotional activation during hypothetical health decision making
Journal of Numerical Cognition·2024Open Access
Impacts of number lines and circle visual displays on caregivers’ fraction understanding
Journal of Experimental Child Psychology·2024· 2 cited
Attending to what’s important: what heat maps may reveal about attention, inhibitory control, and fraction arithmetic performance
Frontiers in Psychology·2023· 1 citedOpen Access
Visual display size and shape impact the accuracy of US adults' health‐risk estimates
Journal of Behavioral Decision Making·2023· 2 citedOpen Access
Number lines influence grade calculations, and grading scales influence perceptions and misconceptions.
Scholarship of Teaching and Learning in Psychology·2023
Worked examples and number lines improve U.S. adults’ understanding of health risks as ratios.
Journal of Applied Research in Memory and Cognition·2023· 4 citedOpen Access
Lack of integrated number sense among college students: evidence from rational number cross-notation comparison
2023· 2 citedOpen Access
Why is monitoring accuracy so poor in number line estimation? The importance of valid cues and systematic variability for U.S. college students
Metacognition and Learning·2023· 3 cited
Task features change the relation between math anxiety and number line estimation performance with rational numbers: Two large-scale online studies.
Journal of Experimental Psychology General·2023· 9 citedOpen Access
Number lines can be more effective at facilitating adults’ performance on health-related ratio problems than risk ladders and icon arrays.
Journal of Experimental Psychology Applied·2022· 6 citedOpen Access
Leveraging Math Cognition to Combat Health Innumeracy
Perspectives on Psychological Science·2022· 13 cited
Task features change the relation between math anxiety and number line estimation performance with rational numbers: Two large-scale online studies
2022· 2 citedOpen Access
From integers to fractions: The role of analogy in developing a coherent understanding of proportional magnitude.
Developmental Psychology·2022· 12 citedOpen Access
Confidence in COVID problem solving: What factors predict adults’ item-level metacognitive judgments on health-related math problems before and after an educational intervention?
Metacognition and Learning·2022· 8 citedOpen Access
Comments regarding Numerical Estimation Strategies Are Correlated with Math Ability in School-Age Children
Cognitive Development·2022· 4 cited
Leveraging Math Cognition to Combat Health Innumeracy
2022· 4 citedOpen Access
Developmental differences in monitoring accuracy and cue use when estimating whole-number and fraction magnitudes
Cognitive Development·2022· 11 cited
Math matters: A novel, brief educational intervention decreases whole number bias when reasoning about COVID-19.
Journal of Experimental Psychology Applied·2021· 20 cited
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Frequent Co-authors

Clarissa A. Thompson(33), Pooja G. Sidney(19), Marta K. Mielicki(17), Jennifer M. Taber(15), Daniel A. Scheibe(13), Karin G. Coifman(7), Lauren K. Schiller(6), Percival G. Matthews(5), Lauren K. Schiller(5), Erika A. Waters(5), John E. Opfer(4), F. D. Rivera(3), John Dunlosky(2), Nicolle Simonovic(2), Jeremy L. Foust(2), Pallavi Aurora(2), David J. Disabato(2), T. H. Stanley Seah(2), Lauren H. Woodbury(2), Shuyuan Yu(2)