Development and validation of the inquiry-based nature of science and argumentation: A new instructional model on students’ scientific argumentation ability

Diah Puji Lestari (), Paidi () and Suwarjo ()

International Journal of Education and Practice, 2024, vol. 12, issue 2, 189-206

Abstract: One of the important goals of science education is to improve scientific argumentation ability which is part of the core practice of science. The main goals of this research are to develop and validate the inquiry-based nature of science and argumentation (IB-NOSA) instructional model which is designed to improve scientific argumentation ability. The research design in this study is Research and Development (R&D) using the steps proposed by Borg & Gall. The feasibility test of the IB-NOSA instructional model was assessed using the Focus Group Discussion (FGD) method, an assessment of the IB-NOSA model book, and an instrument test of scientific argumentation ability involving four experts. The practicality test was assessed by a lower secondary school science teacher. The data were analyzed using quantitative methods, and the validity and reliability indexes were calculated. The results of the study show that the IB-NOSA instructional model is feasible and practical. Meanwhile, the validation results of the scientific argumentation ability test instrument show that each item is in the range of 0.92 to 1. This indicates that each item is valid for further use. Therefore, it can be concluded that the IB-NOSA instructional model has feasibility and practicality for use in science learning and for developing the scientific argumentation ability of lower secondary school students.

Keywords: Argumentation; IB-NOSA; Inquiry; Instructional model; NOS; Scientific argumentation ability. (search for similar items in EconPapers)
Date: 2024
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