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Quick-and-Dirty Item Response Theory
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Kortemeyer, Gerd – Physics Teacher, 2019
Item Response Theory (IRT) has proven useful in physics education research to examine the validity of concept tests (e.g., Refs. 1-3) and online homework (e.g. Refs. 4-6), yet as a tool for the improvement of physics instruction (particularly exams), it is oftentimes perceived as (a) mysterious, (b) unjustified, and (c) impractical. This article…
Descriptors: Item Response Theory, Physics, Science Education, Psychometrics