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The development of structural analogy in number-line estimation
Jessica Sullivan1, David Barner2
1Department of Psychology, Skidmore College, Tisch Learning Center, Saratoga Springs, NY 12866, USA.
Journal of Experimental Child Psychology
|September 3, 2014
Summary
Children use previous estimates as reference points for number-line tasks, with older children adapting this strategy more effectively. This analogical reasoning is crucial for early number-line estimation performance.
Area of Science:
- Cognitive Science
- Developmental Psychology
- Educational Psychology
Background:
- Number-line estimation involves more than just number knowledge, requiring various cognitive skills.
- Relating target numbers to reference points and extending this to spatial domains suggests analogical reasoning is key.
Purpose of the Study:
- To investigate how children utilize reference points, specifically previous estimates, in number-line estimation.
- To understand the developmental differences in using reference points for numerical estimation.
Main Methods:
- Tested 5-, 6-, and 7-year-old children on a number-line estimation task.
- Examined how children used prior estimates to inform subsequent estimations.
Main Results:
- Children across age groups used previous estimates as reference points.
- Older children (6- and 7-year-olds) employed reference points more adaptively than younger children (5-year-olds).
- The ability to access and utilize previous estimates significantly impacted performance, especially for younger children.
Conclusions:
- Analogical reasoning is a substantial component of number-line estimation in children.
- The developmental progression in using reference points shapes early estimation abilities.
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