Revealing Conceptual Difficulties when Interpreting Histograms: An Eye-Tracking Study

L.B.M.M. Boels, Rutmer Ebbes, A. Bakker, Wim van Dooren, P.H.M. Drijvers

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Many people misinterpret histograms. The conjecture is that some of these misinterpretations emerge from the application of interpretation strategies associated with case-value plots. To investigate this, eye-movement data were collected from six university students solving questions on histograms and
case-value plots. Analysis of gaze data and cued retrospective verbal reports showed that participants seemed to use a histogram interpretation strategy, a case-value plot interpretation strategy or an elimination strategy. Several participants appeared to use a single preferred strategy without distinguishing between the type of graphs at stake. As conjectured, some participants applied a casevalue plot strategy also to histograms. In addition, analysis of gaze data and verbal reports suggest that more experienced participants abandoned their nitial strategy when necessary.
Original languageEnglish
Title of host publicationLooking back, looking forward. Proceedings of the Tenth International Conference on Teaching Statistics (ICOTS10, Kyoto, july 2018)
EditorsM.A. Sorto, A. White, L. Guyot
Place of PublicationVoorburg, The Netherlands
PublisherInternational Statistics Institute
Pages1-4
Number of pages4
Publication statusPublished - 8 Jul 2018

Bibliographical note

Invited Paper - Refereed

Keywords

  • histogram
  • eye movement
  • big idea in statistics
  • Didactics of mathematics
  • bar graph

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