Enhancing Conceptual Mastery of Green Chemistry Through Pinakbet-Themed Crossword Puzzles: An Ethnopedagogical Evaluation
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Abstract
The integration of Green Chemistry into higher education often faces pedagogical challenges due to the abstract nature of its concepts, which frequently leads to a rapid decline in cognitive understanding. Incorporating local wisdoman approach known as ethnopedagogy offers a culturally grounded method to overcome these learning barriers. This study examines the effectiveness of an innovative ethnopedagogical evaluation tool: a crossword puzzle centered on local wisdom, specifically themed around the traditional dish "Pinakbet," in enhancing students' mastery of concepts and their long-term retention. Furthermore, to assess the extent of improvement in student proficiency, an evaluation was conducted using a more diverse range of test items. This follow-up assessment employed a one-group pretest-posttest pre-experimental design and involved 42 undergraduate students from DMMMSU, Philippines.. Data were gathered using a validated 25-item multiple-choice test and analyzed via Shapiro-Will normality test, paired-sample t-test, and Normalized Gain Scores (g). The findings revealed a statistically significant improvement in conceptual mastery (t (41) = 20.19, p < 0.05), with the cohort achieving a high average gain score (g = 0.71). Educators are recommended to adopt culturally responsive gamification as a cognitive anchor and anxiety buffer to translate abstract sustainability principles into durable learning. Future research should apply randomized controlled designs across diverse cultural contexts and subjects to validate long-term retention.
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