The nature of the association between number line and mathematical performance: An international twin study.
culture
individual differences
mathematics ability
number line
twin studies
Journal
The British journal of educational psychology
ISSN: 2044-8279
Titre abrégé: Br J Educ Psychol
Pays: England
ID NLM: 0370636
Informations de publication
Date de publication:
Dec 2019
Dec 2019
Historique:
received:
02
04
2018
revised:
29
10
2018
pubmed:
15
12
2018
medline:
11
4
2020
entrez:
15
12
2018
Statut:
ppublish
Résumé
The number line task assesses the ability to estimate numerical magnitudes. People vary greatly in this ability, and this variability has been previously associated with mathematical skills. However, the sources of individual differences in number line estimation and its association with mathematics are not fully understood. This large-scale genetically sensitive study uses a twin design to estimate the magnitude of the effects of genes and environments on: (1) individual variation in number line estimation and (2) the covariation of number line estimation with mathematics. We used over 3,000 8- to 16-year-old twins from the United States, Canada, the United Kingdom, and Russia, and a sample of 1,456 8- to 18-year-old singleton Russian students. Twins were assessed on: (1) estimation of numerical magnitudes using a number line task and (2) two mathematics components: fluency and problem-solving. Results suggest that environments largely drive individual differences in number line estimation. Both genes and environments contribute to different extents to the number line estimation and mathematics correlation, depending on the sample and mathematics component. Taken together, the results suggest that in more heterogeneous school settings, environments may be more important in driving variation in number line estimation and its association with mathematics, whereas in more homogeneous school settings, genetic effects drive the covariation between number line estimation and mathematics. These results are discussed in the light of development and educational settings.
Sections du résumé
BACKGROUND
BACKGROUND
The number line task assesses the ability to estimate numerical magnitudes. People vary greatly in this ability, and this variability has been previously associated with mathematical skills. However, the sources of individual differences in number line estimation and its association with mathematics are not fully understood.
AIMS
OBJECTIVE
This large-scale genetically sensitive study uses a twin design to estimate the magnitude of the effects of genes and environments on: (1) individual variation in number line estimation and (2) the covariation of number line estimation with mathematics.
SAMPLES
METHODS
We used over 3,000 8- to 16-year-old twins from the United States, Canada, the United Kingdom, and Russia, and a sample of 1,456 8- to 18-year-old singleton Russian students.
METHODS
METHODS
Twins were assessed on: (1) estimation of numerical magnitudes using a number line task and (2) two mathematics components: fluency and problem-solving.
RESULTS
RESULTS
Results suggest that environments largely drive individual differences in number line estimation. Both genes and environments contribute to different extents to the number line estimation and mathematics correlation, depending on the sample and mathematics component.
CONCLUSIONS
CONCLUSIONS
Taken together, the results suggest that in more heterogeneous school settings, environments may be more important in driving variation in number line estimation and its association with mathematics, whereas in more homogeneous school settings, genetic effects drive the covariation between number line estimation and mathematics. These results are discussed in the light of development and educational settings.
Identifiants
pubmed: 30548254
doi: 10.1111/bjep.12259
pmc: PMC8063226
mid: NIHMS1687185
doi:
Types de publication
Journal Article
Multicenter Study
Twin Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
787-803Subventions
Organisme : Fonds Québécois de la Recherche sur la Société et la Culture
Organisme : U.K. Medical Research Council (MRC)
ID : G0901245
Organisme : Russian Science Foundation
ID : 15-18-30055
Organisme : Eunice Kennedy Shriver National Institute of Child Health and Development
ID : HD059215
Organisme : NICHD NIH HHS
ID : R01 HD059215
Pays : United States
Organisme : Medical Research Council
ID : G0901245
Pays : United Kingdom
Organisme : Québec Ministry of Health
Organisme : Tomsk State University
Organisme : NICHD NIH HHS
ID : P50 HD052120
Pays : United States
Organisme : U.K. Medical Research Council (MRC)
ID : G0500079
Organisme : Medical Research Council
ID : G0500079
Pays : United Kingdom
Organisme : Social Science and Humanities Research Council of Canada
Organisme : NICHD NIH HHS
ID : R24 HD075460
Pays : United States
Organisme : NICHD NIH HHS
ID : R01 HD038075
Pays : United States
Organisme : Eunice Kennedy Shriver National Institute of Child Health and Development
ID : HD075460
Organisme : Fonds de la Recherche en Santé du Québec
Organisme : Canada Research Chair (Tier 1) programme
Organisme : Medical Research Council
ID : MR/M021475/1
Pays : United Kingdom
Organisme : Russian Science Foundation
ID : 14-48-00043
Organisme : Canadian Institutes for Health Research
Organisme : Sainte-Justine Hospital's Research Center
Organisme : Eunice Kennedy Shriver National Institute of Child Health and Development
ID : HD038075
Organisme : National Health Research Development Program
Informations de copyright
© 2018 The British Psychological Society.
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