Students who were Learning Assistants for freshmen classes do better on a conceptual test in electricity and magnetism (the Basic Electricity and Magnetism Assessment, BEMA) as juniors, and so do students who were in courses taught by LAs as freshmen.
Originally uploaded in Pedagogy in Action:Library:Teaching with Learning Assistants.

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Uploaded: Jul27 10

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Data from Steven Pollock of the University of Colorado, similar to that reported in the following publications:
"A Longitudinal study of student conceptual understanding in electricity and magnetism."
Steven J. Pollock, PhysRev: ST Phys Ed. Rsrch, 5, 020110 (2009) and
"A Longitudinal Study of the Impact of Curriculum on Conceptual Understanding in E&M."
S. J. Pollock, PERC Proceedings 2007, AIP Press 951 (Greensboro, NC), p. 172
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