Surface Chemistry is a foundational course for students majoring in Chemical Engineering, Chemistry, and Cosmetic Science. However, the interdisciplinary nature of the subject, which integrates concepts from Chemistry, Physics, and Thermodynamics, often presents challenges for students lacking a solid grasp of prerequisite knowledge. This study aims to enhance the learning experience and academic performance of students enrolled in Surface Chemistry by implementing cooperative learning strategies. In this research, students were organized into heterogeneous groups based on their pre-examination scores, which assessed their understanding of essential concepts from prerequisite courses. This grouping facilitated targeted peer interactions and collaborative problem-solving. We also employed a Problem-Based Learning (PBL) approach, encouraging each group to apply knowledge acquired from lectures and supplementary resources to tackle specific challenges related to Surface Chemistry. The findings indicate that peer teaching and peer-assisted learning significantly enhance knowledge retention and internalization among group members compared to solitary study. Additionally, improvements in students' attitudes towards learning and their skill sets contributed to more effective engagement with the course material. To foster reflective practice, students participated in peer and self-assessment activities, allowing them to evaluate their contributions and those of their peers critically. Quantitative and qualitative analyses suggest that employing multiple evaluators yields more comprehensive insights into student performance than assessments conducted by individuals alone. This study underscores the efficacy of cooperative learning strategies in promoting deeper understanding and sustained interest in complex scientific subjects like Surface Chemistry.

Authors:
Chien-Chang Huang, Providence University, Taiwan

About the Presenter(s)
Dr. Chien-Chang Huang is currently associate professor of Cosmetic Science Department at Science College, Providence University, Taiwan.

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