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Teacher feedback-based collaborative testing improves students' knowledge gaps of parasitology.

Xiaohong Peng1,2, Liping Jiang1, Deping Cao1

  • 1Department of Parasitology, Guilin Medical University, Guangxi, People's Republic of China.

Advances in Physiology Education
|March 2, 2023
PubMed
Summary

Adding teacher feedback to collaborative testing significantly improved student performance in specific areas like morphology and diagnostics. This approach helps identify and address knowledge gaps effectively in undergraduate education.

Keywords:
ZPDassessmentcollaborative testingstudents’ performanceteacher feedback

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Area of Science:

  • Medical Education
  • Parasitology Education

Background:

  • Collaborative testing enhances learning and knowledge retention but typically lacks teacher feedback.
  • Addressing this gap, a study incorporated immediate teacher feedback post-collaborative testing.

Purpose of the Study:

  • To evaluate the impact of incorporating teacher feedback into collaborative testing on undergraduate parasitology students' performance.
  • To determine if teacher feedback can effectively address knowledge gaps identified during collaborative testing.

Main Methods:

  • 121 undergraduates were randomized into two groups (A and B) for collaborative testing.
  • Group A underwent 20 minutes of group testing; Group B had 15 minutes followed by 5 minutes of teacher feedback.
  • A final individual test was administered four weeks later to compare performance between groups and across examinations.

Main Results:

  • No significant difference in overall final exam scores between Group A and Group B.
  • Group B showed significant improvement in morphology and diagnostic test scores from midterm to final examination, unlike Group A.
  • Teacher feedback effectively targeted and improved specific knowledge deficits in parasitology.

Conclusions:

  • Immediate teacher feedback following collaborative testing is crucial for addressing specific student knowledge gaps.
  • This combined approach enhances learning outcomes in targeted areas, particularly in specialized subjects like parasitology.
  • Collaborative testing combined with feedback offers a valuable tool for educators to identify and rectify student misconceptions.