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Inquiry-based laboratory course improves students' ability to design experiments and interpret data.

Marcella J Myers1, Ann B Burgess

  • 1Department of Biology, College of St. Catherine, St. Paul, Minnesota 55105, USA. mjmyers@stkate.edu

Advances in Physiology Education
|February 21, 2003
PubMed
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This study redesigned a physiology lab course to focus on student-designed experiments, improving experimental design and data analysis skills. Students in the redesigned lab showed greater improvement in complex data analysis compared to lecture-only students.

Area of Science:

  • Physiology Education
  • Inquiry-Based Learning

Background:

  • Traditional laboratory courses often lack focus on experimental design and data analysis.
  • Improving these skills is crucial for scientific literacy and research competency.

Purpose of the Study:

  • To redesign an intermediate-level organismal physiology laboratory course.
  • To enhance students' abilities in experimental design and data analysis through student-led investigations.
  • To assess the effectiveness of the redesigned curriculum.

Main Methods:

  • Implemented a curriculum centered on student-designed experiments in plant and human physiology.
  • Developed and administered an evaluation tool with experimental scenarios and data to assess student abilities.
  • Compared improvement scores between students in the redesigned laboratory (laboratory + lecture) and a control group (lecture only).

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Main Results:

  • Students in the redesigned laboratory course demonstrated greater improvement in analyzing complex experimental data.
  • The inquiry-based curriculum effectively enhanced key scientific reasoning skills.

Conclusions:

  • The redesigned physiology laboratory course successfully improved students' experimental design and data analysis capabilities.
  • The developed evaluation tool can be valuable for assessing similar skills in other educational settings.