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DESY KURNIAWATI
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Journal : Entalpi Pendidikan Kimia

 1 
Pengembangan Soal Berpikir Kritis pada Materi Asam Basa dan Titrasi Asam Basa Rahmi Hidayati; Desy Kurniawati
Entalpi Pendidikan Kimia Vol 2 No 1 (2021)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1969.313 KB) | DOI: 10.24036/epk.v2i1.135

Abstract

Berpikir kritis penting bagi setiap individu. Hal ini dikarenakan kemampuan ini berguna untuk membuat keputusan dan memecahkan masalah. Tujuan penelitian ini adalah untuk menghasilkan soal berpikir kritis pada materi asam basa dan titrasi asam basa yang valid dan praktis. Jenis penelitian ini adalah penelitian dan pengembangan menggunakan model Ploomp dengan tiga tahapan yaitu tahap penelitian awal, tahap pembentukan konsep dan tahap penilaian. Dalam penelitian ini, dikembangkan sebanyak 40 butir soal berpikir kritis dalam bentuk uraian. Validasi soal dilakukan oleh lima orang ahli. Tahap uji coba kelompok kecil dilakukan dengan enam peserta didik dan tahap uji coba lapangan dengan 20 peserta didik SMA Negeri 2 Batusangkar. Teknik analisa data menggunakan CVR Lawshe untuk data konten soal dan skala aiken untuk data konstruk soal. Dari 40 soal berpikir kritis yang dikembangkan, sebanyak 30 item soal valid dan sebanyak 10 item soal tidak valid. Hasil dari uji coba lapangan menunjukan bahwa kemampuan berpikir kritis peserta didik masih rendah.
Pengembangan e-LKPD Terintegrasi STEM-PjBL pada Materi Asam Basa Kelas XI SMA Menggunakan Flip PDF Proffesional Software Yogi Febrianto; Desy Kurniawati
Entalpi Pendidikan Kimia Vol 4 No 2 (2023)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/epk.v4i2.314

Abstract

Variation of learning media is e-LKPD (electronic Student Worksheet) with Flip PDF Professional. Making e-LKPD is an effort to improve critical thinking skills, understanding concepts and linking the acquired knowledge to real life through integrated learning. The approach that can be used is STEM (Science, Technology, Engineering and Mathematics) which is usually followed by several learning models, one of which is PjBL (Project Based Learning). The purpose of this study was to develop an integrated STEM-PjBL e-LKPD on acid-base material for class XI SMA. This type of research is Research and Development which uses a 4-D development model, define, design, develop, and disseminate. The data analysis used is validity and practicality. The data analysis technique uses Aiken'sV to analyze the validity of the data and Kappa Aiken'sV Cohen to analyze the practicality of the data. The average Aikken'sV validity test scale is 0.85 with a very high validity category. Aikken'sV scale. The practical kappa moment of the teacher's practicality sheet is 0.90 in the very high category and from the student's practicality sheet, 0.82 is in the high category. This shows that the integrated STEM PjBL e-LKPD on acid-base material for class XI SMA which was developed is valid and practical as a learning media.
Co-Authors Afrianty Ramadhani Andreas Difa Annisa Haqqu Arif Juliari Kusnanda Arifah Sri Wahyuni Budhi Oktavia Edi Nasra Eka Yusmita Em Sutrisna Fahilatul Syukro Fitriani Indah Permai Hardeli Hamzah Isra Yeni Khalisa Khalisa Khalisa Mawardi Anwar Mesa Saputri Mulia, Melindra Munadi Munadi Najla Dhifa Tofanny Nuzulia Yona Olga Tiara Rizki Putri Nugraha Rahardian Z Refi Yeni Reviana Ervita Riga Riga Riri Nofrita Romy Dwipa Yamesa Away Shintia Nabila Putri Sisri Wartati Syamsi Aini Trisna Kumala Sari Yerimadesi Busmairizal Yogi Febrianto