This study aimed to determine the effectiveness of integrating Transdisciplinary Approach in Biology instruction. The study was conducted in a public high school in Carmen, Cebu and employed a quasi-experimental method, particularly the pretest-posttest design. Respondents were grouped into control and experimental group. Both groups were given a pretest and posttest. The experimental group was exposed to the integration of Transdisciplinary Approach, while the control group underwent the conventional way of teaching. The experimental group completed an attitude survey to assess their attitude toward the intervention. Both the experimental group and control group performed Below Average on the pretest. In the posttest, the performance of the control group was still Below Average. However, the experimental group showed an Average performance in their posttest. The control group showed no significant improvement while the experimental group showed significant improvement in Biology from pretest to posttest. The experimental group manifested Positive attitude towards the use of transdisciplinary approach in their biology class. Based on the findings of this study, the integration of Transdisciplinary Approach was proven to be more effective than the traditional teaching approach in enhancing and improving the biology performance of the students. The researcher recommends that: curriculum experts promote and support the integration of transdisciplinary approach in every subject area; educational institutions provide trainings on its implementation and develop manuals to properly orient the teachers; teachers focus more on pragmatic teaching rather than conventional classes and future researchers carry out similar studies with a broader scope.
transdisciplinary approach, conventional teaching, biology instruction
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