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Jordan Nancy C., Kaplan David, Nabors Olah Leslie & Locuniak Maria N. (2006). « Number sense growth in kindergarten : A longitudinal investigation of children at risk for mathematics difficulties. ». Child development, vol. 77, n° 1, p. 153–175. ISSN 0009-3920. En ligne : <http://www.ncbi.nlm.nih.gov/pubmed/16460531>. 
Added by: Feyfant Annie (15 Nov 2012 16:34:11 Europe/Paris)
Resource type: Journal Article
DOI: 10.1111/j.1467-8624.2006.00862.x
ID no. (ISBN etc.): 0009-3920
BibTeX citation key: Jordan2006a
Categories: General
Keywords: développement cognitif, difficulté d'apprentissage, mathématiques
Creators: Jordan, Kaplan, Locuniak, Nabors Olah
Collection: Child development
Views: 1083/1472
Views index: 26%
Popularity index: 6.5%
URLs     http://www.ncbi.nl ... ov/pubmed/16460531
Abstract     
Number sense development of 411 middle- and low-income kindergartners (mean age 5.8 years) was examined over 4 time points while controlling for gender, age, and reading skill. Although low-income children performed significantly worse than middle-income children at the end of kindergarten on all tasks, both groups progressed at about the same rate. An exception was story problems, on which the low-income group achieved at a slower rate; both income groups made comparable progress when the same problems were presented nonverbally with visual referents. Holding other predictors constant, there were small but reliable gender effects favoring boys on overall number sense performance as well as on nonverbal calculation. Using growth mixture modeling, 3 classes of growth trajectories in number sense emerged.
Added by: Feyfant Annie  
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