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Nancy Jordan, David Kaplan, Laurie Hanich (2002)
Achievement Growth in Children With Learning Difficulties in Mathematics: Findings of a Two-Year Longitudinal StudyJournal of Educational Psychology, 94
Nancy Jordan, David Kaplan, Leslie Oláh, Maria Locuniak (2006)
Number sense growth in kindergarten: a longitudinal investigation of children at risk for mathematics difficulties.Child development, 77 1
D. Kerkman, R. Siegler (1993)
Individual differences and adaptive flexibility in lower-income children's strategy choicesLearning and Individual Differences, 5
Nancy Jordan, J. Huttenlocher, S. Levine (1992)
Differential calculation abilities in young children from middle- and low-income families.Developmental Psychology, 28
E. Fennema, T. Carpenter, V. Jacobs, M. Franke, L. Levi (1998)
A Longitudinal Study of Gender Differences in Young Children’s Mathematical ThinkingEducational Researcher, 27
Nancy Jordan, David Kaplan, Maria Locuniak, Chaitanya Ramineni (2007)
Predicting First-Grade Math Achievement from Developmental Number Sense TrajectoriesLearning Disabilities Research and Practice, 22
Nancy Jordan, Laurie Hanich, David Kaplan (2003)
A longitudinal study of mathematical competencies in children with specific mathematics difficulties versus children with comorbid mathematics and reading difficulties.Child development, 74 3
Nancy Jordan, S. Levine, J. Huttenlocher (1994)
Development of calculation abilities in middle- and low-income children after formal instruction in school☆Journal of Applied Developmental Psychology, 15
Nancy Jordan, Laurie Hanich, David Kaplan (2003)
Arithmetic fact mastery in young children: a longitudinal investigation.Journal of experimental child psychology, 85 2
Snorre Ostad (1997)
Developmental differences in addition strategies: a comparison of mathematically disabled and mathematically normal children.The British journal of educational psychology, 67 ( Pt 3)
A. Ardila (1993)
On the origins of calculation abilities.Behavioural neurology, 6 2
Snorre Ostad (1999)
Developmental progression of subtraction strategies : a comparison of mathematically normal and mathematically disabled childrenEuropean Journal of Special Needs Education, 14
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Sex differences in spatial cognition, computational fluency, and arithmetical reasoning.Journal of experimental child psychology, 77 4
M. Carr, Donna Jessup (1997)
Gender differences in first-grade mathematics strategy use : Social and metacognitive influencesJournal of Educational Psychology, 89
R. Gersten, Nancy Jordan, Jonathan Flojo (2005)
Early Identification and Interventions for Students With Mathematics DifficultiesJournal of Learning Disabilities, 38
Laurie Hanich, Nancy Jordan, David Kaplan, J. Dick (2001)
Performance across different areas of mathematical cognition in children with learning difficulties.Journal of Educational Psychology, 93
A. Baroody (1999)
Children's Relational Knowledge of Addition and SubtractionCognition and Instruction, 17
B. Williams, Richard Williams (1995)
Finger Numbers in the Greco-Roman World and the Early Middle AgesIsis, 86
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A mental model for early arithmetic.Journal of experimental psychology. General, 123 3
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Children's change over time in frequency of finger use on number combinations was examined in relation to their change in accuracy. Performance was tracked longitudinally over 11 time points, from the beginning of kindergarten (mean age = 5.7 years) to the end of second grade (n= 217). Accuracy in number combinations increased steadily during the time period while frequency of finger use declined. Correlations between finger use and accuracy decreased gradually, ranging from 0.60 in kindergarten to −0.15 at the end of second grade. Low‐income children showed linear growth in frequency of finger use while middle‐income children slowed down by second grade and even started to decline. Although girls and boys showed similar growth patterns in frequency and accuracy, boys used their fingers less often than girls and were more accurate. The findings indicate that finger use is most adaptive when children are first learning number combinations, but this benefit lessens over time.
Developmental Science – Wiley
Published: Sep 1, 2008
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