Title |
Learning Linear Spatial-Numeric Associations Improves Accuracy of Memory for Numbers
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Published in |
Frontiers in Psychology, January 2016
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DOI | 10.3389/fpsyg.2016.00024 |
Pubmed ID | |
Authors |
Clarissa A. Thompson, John E. Opfer |
Abstract |
Memory for numbers improves with age and experience. One potential source of improvement is a logarithmic-to-linear shift in children's representations of magnitude. To test this, Kindergartners and second graders estimated the location of numbers on number lines and recalled numbers presented in vignettes (Study 1). Accuracy at number-line estimation predicted memory accuracy on a numerical recall task after controlling for the effect of age and ability to approximately order magnitudes (mapper status). To test more directly whether linear numeric magnitude representations caused improvements in memory, half of children were given feedback on their number-line estimates (Study 2). As expected, learning linear representations was again linked to memory for numerical information even after controlling for age and mapper status. These results suggest that linear representations of numerical magnitude may be a causal factor in development of numeric recall accuracy. |
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