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All Journal Hydrogen: Jurnal Kependidikan Kimia
Salma Syauqi
Chemistry Education Study Program, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Jl. William Iskandar Ps. V, Medan Estate, Deli Serdang, Sumatera Utara 20221, Indonesia
Chemistry Education

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The Development of Chemistry E-Module Using STS Approach Based on HOTS on Acid-Base Materials Salma Syauqi; Retno Dwi Suyanti
Hydrogen: Jurnal Kependidikan Kimia Vol. 14 No. 3 (2026): June 2026
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v14i3.20430

Abstract

This study aimed to develop a chemistry e-module using the Science Technology Society (STS) approach based on Higher Order Thinking Skills (HOTS) on acid-base materials for Grade XI students at SMA Negeri 2 Medan. The research employed the 4D development model (Define, Design, Develop, Disseminate). The Define stage identified that chemistry learning—particularly on acid-base topics—was still dominated by conventional methods with limited digital media. The Design stage produced an e-module named KelasKimia.ku, published via Google Sites. In the Develop stage, expert validation was conducted by three validators: content expert (mean score 3.50; Very Feasible), media expert (mean score 3.20; Feasible), and learning expert (mean score 3.30; Feasible). The Disseminate stage involved 71 students across two Grade XI classes. Student response yielded a mean score of 3.60 (Very Feasible). Learning outcomes showed that the experimental class (using the STS-HOTS e-module) achieved a posttest mean of 85.86, compared to 81.39 in the control class. The experimental class obtained an N-Gain of 0.7734 (High category), significantly higher than the control class (0.6971; Moderate). Paired Samples t-Test results showed t = −32.300 with significance 0.000 (< 0.05), confirming that the e-module effectively improved students' HOTS and learning outcomes on acid-base materials.
Co-Authors Retno Dwi Suyanti