Diagram-based Scientific Explanation: A Pilot Study on Learning Model Development for the Biological Science Classroom

Abstract

The ability in constructing scientific explanations is one of the educational benchmark tests for various countries. Many learning models have been proposed to serve as tools for students’ learning development. Identifying certain gaps has led us to consider creating a new learning model that aligns with the learning goals and the needs of students. Therefore, this research presents a pilot implementation of a newly developed learning model. The aims of this research are: (1) to develop a learning model to enhance the ability of grade 10 students in constructing scientific explanations in the biological science classroom; (2) to compare the students' ability in constructing scientific explanations before, during, and after learning with the model; (3) to study the students' progression of learning in constructing scientific explanations; and (4) to compare the learning achievement of students before and after learning using a 60% criterion. The Diagram-based Scientific Explanation (DSE) learning model was created using a research and development process. The participants consisted of 36 Grade 10 students, who studied in a school in Phetchaburi, Thailand, and were selected by convenience sampling. The DSE model comprised of six steps designed to enhance students' ability in constructing scientific explanations, facilitate progression of learning, and improve learning achievement.