Physics – Physics Education
Scientific paper
2009-07-31
S. Pollock, Phys. Rev. ST Physics Ed. Research 5, 020110 (2009)
Physics
Physics Education
10 pages, 5 figures, submitted to Physical Review ST-PER
Scientific paper
10.1103/PhysRevSTPER.5.020110
We have investigated the long-term effect of student-centered instruction at the freshman level on juniors' performance on a conceptual survey of Electricity and Magnetism (E&M). We measured student performance on a research-based conceptual instrument -- the Brief Electricity & Magnetism Assessment (BEMA) -- over a period of 8 semesters (2004-2007). Concurrently, we introduced the University of Washington's Tutorials in Introductory Physics as part of our standard freshman curriculum. Freshmen took the BEMA before and after this Tutorial-based introductory course, and juniors took it after completion of their traditional junior-level E&M I and E&M II courses. We find that, on average, individual BEMA scores do not change significantly after completion of the introductory course - neither from the freshman to the junior year, nor from upper-division E&M I to E&M II. However, we find that juniors who had completed a non-Tutorial freshman course scored significantly lower on the (post upper-division) BEMA than those who had completed the reformed freshman course - indicating a long-term positive impact of freshman Tutorials on conceptual understanding.
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