PENGEMBANGAN E-BAHAN AJAR IPA BERBASIS MODEL DISCOVERY LEARNING UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR TINGKAT TINGGI PADA MATERI SIKLUS HIDUP MAKHLUK HIDUP DAN UPAYA PELESTARIANNYA SISWA KELAS IV SEKOLAH DASAR

Abstract

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This study aimed to develop, determine the feasibility, assess the practicality, and examine the effectiveness of Discovery Learning-based science e-teaching materials in improving higher-order thinking skills on the topic of Life Cycles and Their Conservation Efforts for fourth-grade elementary school students. This study employed a Research and Development (R&D) method consisting of needs analysis, product design, expert validation, product revision, limited trials, and field testing. The research subjects were 27 students of Class IVA as the trial class and 27 students of Class IVB as the effectiveness testing class at SD Negeri 85 Bengkulu City. The research instruments included expert validation sheets, teacher and student response questionnaires, learning achievement tests, and documentation. The data were analyzed using validity, reliability, and N-gain tests. The results showed that the developed e-teaching materials achieved a validity score of 0.77 in the material aspect (valid category), 0.90 in the language aspect (very valid category), and 1.00 in the graphic aspect (very valid category). The responses from both teachers and students were categorized as good, indicating that the e-teaching materials were practical for classroom use. The effectiveness of the product was demonstrated by the increase in students’ average scores from 72.96 in the pretest to 87.04 in the posttest, with an N-gain score of 0.55, which falls into the moderate category. Therefore, the Discovery Learning-based science e-teaching materials developed in this study were found to be valid, practical, and effective in improving the higher-order thinking skills of fourth-grade elementary school students.