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Construction and Practice of a Multiple Evaluation System for the Course Materials Analysis and Characterization Experiments Based on the 5E Teaching Model

Author(s)

Wei Wen*, Jianhao Zhao, Hongyan Li, Jiayi Xu

Affiliation(s)

School of Chemistry and Materials Science, Jinan University, Guangzhou, Guangdong, China *Corresponding Author

Abstract

To address problems in Materials Analysis and Characterization Experiments (large classes, limited instruments, single evaluation, result-orientation), this study built a multiple evaluation system based on the 5E model, covering the whole teaching process. It includes six first-level dimensions (interest / participation, exploration / operation, explanation / understanding, extension / innovation, collaboration / communication, reflection / improvement) and 24 second-level indicators, with weights determined by AHP. Teacher observation, student self-evaluation, peer evaluation, and operational skill scoring sheets were developed, using Wenjuanxing and Excel for data collection and feedback. Practice showed improved operational standardization, class participation, active thinking, and reflective awareness. Compared with the control group, the experimental group’s excellent operation rate increased by 18.6%, and the excellent rate of final comprehensive performance rose by 21.5 %. Embedding evaluation into the whole 5E process promotes coordination of teaching, learning, and assessment, and offers a reference for reform in university lab courses.

Keywords

5E Teaching Model; Materials Analysis and Characterization Experiments; Multiple Evaluation; Process Evaluation; Reform of Experimental Teaching

References

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