Developed by Darren L. Broder, Michele W. McColgan, and Rose A. Finn
|To assess basic concepts in introductory E&M courses.
|Electricity / Magnetism Content knowledge (electrostatics, electric fields and force, circuits, magnetism, induction)
Sample questions from the EMCA:
This is the third highest level of research validation, corresponding to at least 3 of the validation categories below.
Research Validation Summary
Based on Research Into:
- Student thinking
- Student interviews
- Expert review
- Appropriate statistical analysis
- At multiple institutions
- By multiple research groups
- Peer-reviewed publication
The multiple-choice questions on the EMCA were developed by a group of five faculty members based on their experience teaching the relevant topics. The EMCA was given to over 200 algebra-based and calculus-based second-semester introductory physics students, and appropriate statistical analyses of reliability, difficulty and discrimination were conducted. Reasonable values were found. Scores for men and women were similar.
- M. McColgan, R. Finn, D. Broder, and G. Hassel, Assessing students’ conceptual knowledge of electricity and magnetism, Phys. Rev. Phys. Educ. Res. 13 (020121), (2017).
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|Riska Meikana Br Ginting, Syuhendri, and Nely Andriani
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Average scores and standard deviation for pretest, post-test, and normalized gain in introductory electromagnetism courses at Sienna College and George Washington University (GWU). The Sienna College algebra-based course has an emphasis on topics relevant to life sciences and is "taught in a traditional lecture style interspersed with students completing preassigned problems on the board during class." The Sienna College calculus-based course is taught with "a mix of short lectures frequently interspersed with think-pair-share questions and other mini problems." The GWU course is taught using a SCALE-UP model. From McColgan et al. 2017.
The latest version of the EMCA, released in 2015, is version 1.