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Data-Mining Textual Responses to Uncover Misconception Patterns (1703.08544v2)

Published 24 Mar 2017 in stat.ML and cs.CL

Abstract: An important, yet largely unstudied, problem in student data analysis is to detect misconceptions from students' responses to open-response questions. Misconception detection enables instructors to deliver more targeted feedback on the misconceptions exhibited by many students in their class, thus improving the quality of instruction. In this paper, we propose a new natural language processing-based framework to detect the common misconceptions among students' textual responses to short-answer questions. We propose a probabilistic model for students' textual responses involving misconceptions and experimentally validate it on a real-world student-response dataset. Experimental results show that our proposed framework excels at classifying whether a response exhibits one or more misconceptions. More importantly, it can also automatically detect the common misconceptions exhibited across responses from multiple students to multiple questions; this property is especially important at large scale, since instructors will no longer need to manually specify all possible misconceptions that students might exhibit.

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Authors (3)
  1. Joshua J. Michalenko (2 papers)
  2. Andrew S. Lan (21 papers)
  3. Richard G. Baraniuk (141 papers)
Citations (15)

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