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| Autor/inn/en | Nuerk, Hans-Christoph; Kaufmann, Liane; Zoppoth, Sabine; Willmes, Klaus |
|---|---|
| Titel | On the Development of the Mental Number Line: More, Less, or Never Holistic with Increasing Age? |
| Quelle | In: Developmental Psychology, 40 (2004) 6, S.1199-1211 (12 Seiten)Infoseite zur Zeitschrift
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| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 0012-1649 |
| Schlagwörter | Numeracy; Computation; Models; Cognitive Processes; Age Differences; Task Analysis; Elementary School Students; Sequential Learning; Learning Strategies; Child Development |
| Abstract | Magnitude is assumed to be represented along a holistic mental number line in adults. However, the authors recently observed a unit-decade compatibility effect for 2-digit numbers that is inconsistent with this "holisticness" assumption (H.-C. Nuerk, U. Weger, & K. Willmes, 2001). This study used the compatibility effect to examine whether the mental number line representation of magnitude changes toward greater or less holisticness in children from Grades 2-5. The results indicate that decades and units of 2-digit numbers are processed separately rather than holistically from Grade 2 on. However, this separate processing seems to develop from a more sequential (left-to-right) to a more parallel processing mode. Moreover, children may use different strategies depending on task demands. The results are interpreted in the framework of Siegler's overlapping waves model. (Author). |
| Anmerkungen | American Psychological Association, 750 First Street, NE, Washington, DC 20002-4242. Tel: 800-374-2721 (Toll Free); Tel: 202-336-5510; TDD/TTY: 202-336-6123; Fax: 202-336-5502; e-mail: journals@apa.org. |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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