EFFECTIVENESS OF VISUAL REPRESENTATIONS IN PROMOTING EXACT SELECTION OF CONTINUITY CORRECTION

Authors

  • M.H. Tuh Faculty of Computer & Mathematical Sciences, Universiti Teknologi MARA, 94300 Samarahan, Sarawak, Malaysia
  • C.Y. Liew Faculty of Computer & Mathematical Sciences, Universiti Teknologi MARA, 94300 Samarahan, Sarawak, Malaysia
  • A.B. Syah Runniza Faculty of Computer & Mathematical Sciences, Universiti Teknologi MARA, 94300 Samarahan, Sarawak, Malaysia
  • Y.H. Robin Chang Faculty of Applied Sciences, Universiti Teknologi MARA, 94300 Samarahan, Sarawak, Malaysia

Keywords:

Visualization, Normal approximation, Continuity correction, Paired t-test

Abstract

The Square + Line method was formulated to enhance the understanding of students in cases
involving Normal Approximation to either Binomial Distribution or Poisson Distribution. In
these topics, usage of continuity correction factor is essential, specifically when we apply
continuous function to approximate a discrete one. The simple steps of modifying (adding or
subtracting 0.5) the discrete x-value are made complicated by the various interval situations.
Through this approach, students can visualize the correct conversion for all the nine
transformation cases. While it is possible that this method does not benefit quick learners, it
nevertheless helps students who have difficulty with continuity knowledge retention. To measure
the effectiveness of this method, students who took diploma program in computer science were
given pre- and post-assessment before and after the learning session. The comparatively much
higher post-test score indicates a significant improvement.

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Published

2017-12-31

Issue

Vol. 5 No. 1 (2017): December 2017

Section

Archives

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