Effectiveness of Guided Discovery-Based Worksheets to Improve Learning Outcomes in Acid-Base Concept
Abstract
Abstract This research was conducted to develop students worksheets based on guided discovery learning on acid-base materials. This student worksheet will be the basic content for developing a content learning system to improve the learning outcomes of 11th grade high school students in the pandemic era. Research and Development (R and D) using the ADDIE model is the research method used. Based on the research that has been carried out, the validity as measured by the Aiken's V formula is 0.85 which indicates that the developed students’ worksheets are valid. The value of practicality of teachers and students was obtained by 84 percent and 88 percent which indicated the very practical category. Then, the N-Gain value obtained is 54.68 percent which indicates that worksheet is effective in improving student learning outcomes. So it can be concluded that this student worksheet is valid, practical, and effective to be used as a basic content in developing a content learning system based on guided discovery learning on acid and base.
Keywords students’ worksheets, guided discovery, acid-base.
Abstrak Penelitian ini dilakukan untuk mengembangkan lembar kerja siswa (LKS) berbasis pembelajaran penemuan terbimbing pada materi asam basa. LKS ini akan menjadi konten dasar untuk mengembangkan sistem pembelajaran konten untuk meningkatkan hasil belajar siswa kelas 11 SMA di era pandemi. Penelitian dan Pengembangan (R dan D) dengan menggunakan model ADDIE merupakan metode penelitian yang digunakan. Berdasarkan penelitian yang telah dilakukan, validitas yang diukur dengan rumus Aiken's V adalah 0,85 yang menunjukkan bahwa LKS yang dikembangkan valid. Nilai kepraktisan guru dan siswa diperoleh sebesar 84 persen dan 88 persen yang menunjukkan kategori sangat praktis. Kemudian nilai N-Gain yang diperoleh sebesar 54,68 persen yang menunjukkan bahwa LKS efektif dalam meningkatkan hasil belajar siswa. Sehingga dapat disimpulkan bahwa LKS ini valid, praktis, dan efektif untuk digunakan sebagai materi dasar dalam mengembangkan sistem pembelajaran konten berbasis pembelajaran penemuan terbimbing pada asam basa.
Kata kunci lembar kerja siswa, penemuan terbimbing, asam-basa.
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