Survey of high school students’ understanding of oxidation-reduction reaction

Wen Wei Chiang, Mei Hung Chiu*, Shiao Lan Chung, Chun Keng Liu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


This study investigated the conceptions of 340 Taiwanese high school students (grades 10 to 12) regarding oxidation–reduction reactions. The diagnostic tool used was a two-tier test based on a concept map of redox reactions as presented in high school curriculums. The reliability of the two-tier test items was 0.82. The results show that most 11th graders performed equally well in questions related to the concept of the gain and loss of electrons during oxidation–reduction. In terms of working with oxidation numbers, scores increased with grade level. The results of this study provide valuable reference for curriculum designers and science instructors.

Original languageEnglish
Pages (from-to)569-607
Number of pages39
JournalJournal of Baltic Science Education
Issue number5
Publication statusPublished - 2014 Dec 1


  • Concept map
  • Oxidation– reduction
  • Redox
  • Two-tier

ASJC Scopus subject areas

  • Education


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