Children's understanding of electric current in three countries

Butts, William L.

doi:10.1007/bf02356534

Cited by 4 publications

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“…They defined four explanatory models: A. unipolar, B. clashing current, C. current attenuation, and D. constant current (scientific model). These models were also reflected in other countries (Butts, 1985;Gott, 1984;Shen, Gibbons, Wiegers, & McMahon, 2007;Shepardson & Moje, 1994;Shipstone, 1985). Based on previous studies, Magnusson, Boyle, and Templin (1997) divided the clashing current model into a cross current model, similar to the alternating current from two battery poles.…”

Section: Student Ideas Of Electricity and Related Cross-age Studiesmentioning

confidence: 78%

A Cross-Grade Study Validating the Evolutionary Pathway of Student Mental Models in Electric Circuits

Lin

2017

EURASIA J MATH SCI T

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Cross-grade studies are valuable for the development of sequential curriculum. However such studies are time and resource intensive and fail to provide a clear representation to integrate different levels of representational complexity. Lin (Lin, 2006;Lin, Chiu, & Hsu, 2006) proposed a cladistics approach in conceptual evolution to construct a hypothetical Conceptual Evolution Tree (CET; also called Evolutionary Pathway of Student Mental Models) in electric circuits which overcome the limitations of earlier cross-grade studies. The aims of this study are to validate this hypothesis and to integrate with the CET graph to better understand Taiwanese students' conceptual evolution in electric circuits. This study uses a web-based mental model diagnosis system to collect 1,441 cross-grade students' data. The results show that the empirical cross-grade survey data closely meet the hypothesis. The CET graph in electric circuits well explains the relationship between student conceptual evolution from Grade 1 to 9 and the curriculum influences by comparing to the empirical data. The validated CET graph in electric circuits could be a useful tool for science educators in designing sequential curriculum content.

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