The Effectiveness of a Research-Based Learning Approach in Improving Biology Learning, Reducing Conceptual Misconceptions, and Fostering Student Motivation.

Document Type : Original Article

Authors

1 Biology Department, General Directorate of Education of Tehran, Tehran, Iran

2 chemistry Department, General Directorate of Education of Tehran, Tehran, Iran

3 Social Studies Department, District 4 Office of Education, Absal High School, Tehran, Iran

Abstract

Background and Objectives: This study aimed to investigate the effectiveness of a research-based learning (RBL) approach, compared with the traditional lecture-based instructional method, on secondary school students’ learning of biology concepts. Methods: The study employed a quasi-experimental design within a mixed-methods framework and was conducted in a public secondary school involving 60 students assigned to an experimental group (n = 30) and a control group (n = 30). The instructional intervention implemented in the experimental group included research-oriented activities, guided inquiry, collaborative learning, and formative assessment, whereas the control group received conventional direct instruction. Results: Data were collected through pretest and posttest assessments, a validated Biology Conceptual Understanding Test, a five-point Likert-scale questionnaire measuring students’ perceptions, and classroom observations. Statistical analyses revealed that students in the experimental group significantly outperformed those in the control group on the posttest (M = 108.7, SD = 18.2 vs. M = 92.4, SD = 15.6; t(58) = 4.87, p < .001, d = 1.26). Furthermore, the reduction in conceptual misconceptions was substantially greater in the experimental group than in the control group (52% vs. 18%), accompanied by evidence of better retention of learning. Questionnaire findings also indicated that students exposed to the research-based learning approach reported more positive perceptions of classroom participation, collaborative learning, and the overall effectiveness of the learning process. Conclusion: The findings suggest that research-based learning is an effective instructional approach for enhancing conceptual understanding, reducing scientific misconceptions, and promoting sustainable learning in biology education. These results support the integration of active, student-centered pedagogical strategies into science education and underscore the importance of teachers’ professional development to facilitate the successful implementation of such instructional approaches.

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