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Coletta, Vincent P. – Physical Review Physics Education Research, 2023
Recently Burkholder "et al." argued that class normalized gains over the entire population of courses is approximated by a Cauchy distribution, not by a normal distribution, and therefore should not be used to compare different classes because means and standard deviations cannot be calculated. They argued that multiple linear regression…
Descriptors: Physics, Science Instruction, Scientific Concepts, Concept Formation