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Geary, David C. – Journal of Intelligence, 2019
In a recent theoretical article, I proposed that the efficiency of mitochondrial functioning is the most fundamental biological mechanism contributing to individual differences in general intelligence ("g;" Geary, 2018). The hypothesis accommodates other contributing mechanisms at higher levels of analysis (e.g., brain networks), and is…
Descriptors: Intelligence, Aging (Individuals), Cognitive Ability, Brain
Lannin, John K.; Austin, Christopher; Geary, David C. – Mathematics Teacher: Learning and Teaching PK-12, 2023
In this article, the authors describe the two interpretations of mathematical expressions, as a process and as a product. They begin with an initial discussion of Tall's (2013) interpretations of expressions and connect this to state standards. Next, they describe the different interpretations of algebraic expressions based on their work with…
Descriptors: Mathematics Instruction, Teaching Methods, Middle School Students, High School Students
Geary, David C. – Mathematical Thinking and Learning: An International Journal, 2015
The collection of studies in this special issue make an important contribution to our understanding and measurement of the core cognitive and noncognitive factors that influence children's emerging quantitative competencies. The studies also illustrate how the field has matured, from a time when the quantitative competencies of infants and young…
Descriptors: Preschool Children, Statistical Analysis, Knowledge Level, Competence