Physical Review Physics Education Research
Model analysis provides a mechanism for representing student learning as measured by standard multiple-choice surveys. The model plot contains information regarding both how likely students in a particular class are to choose the correct answer and how likely they are to choose an answer consistent with a well-documented conceptual model. Unfortunately, Bao’s original presentation of the model plot did not include a way to represent uncertainty in these measurements. I present details of a method to add error bars to model plots by expanding the work of Sommer and Lindell. I also provide a template for generating model plots with error bars.
Smith, Trevor I., "Representing uncertainty on model analysis plots" (2016). Faculty Scholarship for the College of Science & Mathematics. 34.
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Smith, T. (2016). Representing uncertainty on model analysis plots. Physical Review Physics Education Research, 12(2), 023102.