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Showing 1 to 15 of 44 results Save | Export
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Denitza Dramkin; Darko Odic – Developmental Science, 2024
As adults, we represent and think about number, space, and time in at least two ways: our intuitive--but imprecise--perceptual representations, and the slowly learned--but precise--number words. With development, these representational formats interface, allowing us to use precise number words to estimate imprecise perceptual experiences. We test…
Descriptors: Child Development, Numbers, Vocabulary Development, Numeracy
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Serena Dolfi; Gisella Decarli; Maristella Lunardon; Michele De Filippo De Grazia; Silvia Gerola; Silvia Lanfranchi; Giuseppe Cossu; Francesco Sella; Alberto Testolin; Marco Zorzi – Developmental Science, 2024
Impaired numerosity perception in developmental dyscalculia (low "number acuity") has been interpreted as evidence of reduced representational precision in the neurocognitive system supporting non-symbolic number sense. However, recent studies suggest that poor numerosity judgments might stem from stronger interference from non-numerical…
Descriptors: Number Concepts, Learning Disabilities, Numeracy, Mathematics Skills
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Chi-Chuan Chen; Ilaria Berteletti; Daniel C. Hyde – Developmental Science, 2024
Symbolic numeracy first emerges as children learn the meanings of number words and how to use them to precisely count sets of objects. This development starts before children enter school and forms a foundation for lifelong mathematics achievement. Despite its importance, exactly how children acquire this basic knowledge is unclear. Here we test…
Descriptors: Preschool Children, Numeracy, Symbols (Mathematics), Computation
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Schneider, Rose M.; Pankonin, Ashlie; Schachner, Adena; Barner, David – Developmental Science, 2021
Although most U. S. children can accurately count sets by 4 years of age, many fail to understand the structural analogy between counting and number -- that adding 1 to a set corresponds to counting up 1 word in the count list. While children are theorized to establish this Structure Mapping coincident with learning how counting is used to…
Descriptors: Computation, Numbers, Children, Child Development
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Cheung, Pierina; Toomey, Mary; Jiang, Yahao Harry; Stoop, Tawni B.; Shusterman, Anna – Developmental Science, 2022
Studies on children's understanding of counting examine when and how children acquire the cardinal principle: the idea that the last word in a counted set reflects the cardinal value of the set. Using Wynn's (1990) Give-N Task, researchers classify children who can count to generate large sets as having acquired the cardinal principle…
Descriptors: Computation, Performance, Number Concepts, Numeracy
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O'Rear, Connor D.; McNeil, Nicole M.; Kirkland, Patrick K. – Developmental Science, 2020
A common measure of number word understanding is the give-N task. Traditionally, to receive credit for understanding a number, N, children must understand that N does not apply to other set sizes (e.g. a child who gives three when asked for 'three' but also when asked for 'four' would not be credited with knowing 'three'). However, it is possible…
Descriptors: Preschool Children, Numeracy, Number Concepts, Mathematics Education
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Zehra E. Ünal; Züleyha Terzi; Beyzanur Yalvaç; David C. Geary – Developmental Science, 2024
Understanding the magnitudes represented by numerals is a core component of early mathematical development and is often assessed by accuracy in situating numerals and fractions on a number line. Performance on these measures is consistently related to performance in other mathematics domains, but the strength of these relations may be…
Descriptors: Number Concepts, Mathematics Achievement, Mathematics Education, Meta Analysis
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Haman, Maciej; Lipowska, Katarzyna – Developmental Science, 2021
People tend to underestimate subtraction and overestimate addition outcomes and to associate subtraction with the left side and addition with the right side. These two phenomena are collectively labeled 'operational momentum' (OM) and thought to have their origins in the same mechanism of 'moving attention along the mental number line'. OM in…
Descriptors: Preschool Children, Arithmetic, Attention, Spatial Ability
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Yousif, Sami R.; Alexandrov, Emma; Bennette, Elizabeth; Aslin, Richard N.; Keil, Frank C. – Developmental Science, 2022
A large and growing body of work has documented robust illusions of area perception in adults. To date, however, there has been surprisingly little in-depth investigation into children's area perception, despite the importance of this topic to the study of quantity perception more broadly (and to the many studies that have been devoted to studying…
Descriptors: Computation, Decision Making, Task Analysis, Heuristics
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Wang, Jinjing; Feigenson, Lisa – Developmental Science, 2019
Children do not understand the meanings of count words like "two" and "three" until the preschool years. But even before knowing the meanings of these individual words, might they recognize that counting is "about" the dimension of number? Here in five experiments, we asked whether infants already associate counting…
Descriptors: Infants, Numeracy, Computation, Numbers
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O'Rear, Connor D.; McNeil, Nicole M. – Developmental Science, 2019
How does improving children's ability to label set sizes without counting affect the development of understanding of the cardinality principle? It may accelerate development by facilitating subsequent alignment and comparison of the cardinal label for a given set and the last word counted when counting that set (Mix et al., 2012). Alternatively,…
Descriptors: Geometric Concepts, Number Concepts, Computation, Preschool Children
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Gibson, Dominic J.; Gunderson, Elizabeth A.; Spaepen, Elizabet; Levine, Susan C.; Goldin-Meadow, Susan – Developmental Science, 2019
When asked to explain their solutions to a problem, children often gesture and, at times, these gestures convey information that is different from the information conveyed in speech. Children who produce these gesture-speech "mismatches" on a particular task have been found to profit from instruction on that task. We have recently found…
Descriptors: Numbers, Nonverbal Communication, Teaching Methods, Speech Communication
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Bakker, Merel; Torbeyns, Joke; Wijns, Nore; Verschaffel, Lieven; De Smedt, Bert – Developmental Science, 2019
Numerical competencies acquired in preschool are foundational and predictive for children's later mathematical development. It remains to be determined whether there are gender differences in these early numerical competencies which could explain the often-reported gender differences in later mathematics and STEM-related abilities. Using a…
Descriptors: Gender Differences, Preschool Children, Preschool Education, Numeracy
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Lai, Maxine; Zax, Alexandra; Barth, Hilary – Developmental Science, 2018
Learning the meanings of Arabic numerals involves mapping the number symbols to mental representations of their corresponding, approximate numerical quantities. It is often assumed that performance on numerical tasks, such as number line estimation (NLE), is primarily driven by translating from a presented numeral to a mental representation of its…
Descriptors: Numbers, Computation, Children, Adults
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Jara-Ettinger, Julian; Piantadosi, Steve; Spelke, Elizabeth S.; Levy, Roger; Gibson, Edward – Developmental Science, 2017
To master the natural number system, children must understand both the concepts that number words capture and the counting procedure by which they are applied. These two types of knowledge develop in childhood, but their connection is poorly understood. Here we explore the relationship between the mastery of counting and the mastery of exact…
Descriptors: Mastery Learning, Arithmetic, Number Concepts, Computation
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