Applying clustering to statistical analysis of student reasoning about two-dimensional kinematics

  • Springuel R
  • Wittmann M
  • Thompson J
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Abstract

We use clustering, an analysis method not presently common to the physics education research community, to group and characterize student responses to written questions about two-dimensional kinematics. Previously, clustering has been used to analyze multiple-choice data; we analyze free-response data that includes both sketches of vectors and written elements. The primary goal of this paper is to describe the methodology itself; we include a brief overview of relevant results.

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