Bull, R., Marschark, M., Sapere, P., Davidson, W. A., Murphy, D. and Nordmann, E. (2011) Numerical estimation in deaf and hearing adults. Learning and Individual Differences, 21(4), pp. 453-457. (doi: 10.1016/j.lindif.2011.02.001) (PMID:21822363) (PMCID:PMC3150563)
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Abstract
Deaf students often lag behind hearing peers in numerical and mathematical abilities. Studies of hearing children with mathematical difficulties highlight the importance of estimation skills as the foundation for formal mathematical abilities, but research with adults is limited. Deaf and hearing college students were assessed on the Number-to-Position task as a measure of estimation, and completed standardised assessments of arithmetical and mathematical reasoning. Deaf students performed significantly more poorly on all measures, including making less accurate number-line estimates. For deaf students, there was also a strong relationship showing that those more accurate in making number-line estimates achieved higher scores on the math achievement tests. No such relationship was apparent for hearing students. Further insights into the estimation abilities of deaf individuals should be made, including tasks that require symbolic and non-symbolic estimation and which address the quality of estimation strategies being used.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Nordmann, Dr Emily |
| Authors: | Bull, R., Marschark, M., Sapere, P., Davidson, W. A., Murphy, D., and Nordmann, E. |
| College/School: | College of Science and Engineering > School of Psychology |
| Journal Name: | Learning and Individual Differences |
| Publisher: | Elsevier |
| ISSN: | 1041-6080 |
| ISSN (Online): | 1873-3425 |
| Published Online: | 21 February 2011 |
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