Assessment of difficulties of some conceptual areas from electricity and magnetism using the Conceptual Survey of Electricity and Magnetism (CROSBI ID 109876)
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Planinić, Maja
engleski
Assessment of difficulties of some conceptual areas from electricity and magnetism using the Conceptual Survey of Electricity and Magnetism
The Conceptual Survey of Electricity and Magnetism (CSEM) covers a large conceptual domain and gives many opportunities for comparing the difficulties of different conceptual areas in electricity and magnetism. Six conceptual areas were identified in CSEM that are represented by groups of four to six questions each. The CSEM was administered as a posttest to 84 Croatian students enrolled in a calculus – based general physics course at the University of Zagreb. The average difficulties in the six conceptual areas were compared to the average difficulties of the same conceptual areas of American students enrolled in algebra – based or calculus – based general physics courses. Tbe difficulties of the conceptual areas show similar trends for the three groups of students. The most difficult area was found to be electromagnetic induction, followed by Newton's laws in the context of electricity and magnetism, together with the electric potential and energy. The comparison of pretest and posttest results suggests that instruction in both algebra – based, and calculus – based courses is not efficient in reducing the pretest difficulties of the conceptual areas ; however the impact of instruction differs among conceptual areas.
physics education; electricity; magnetism; conceptual areas
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