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Erviyenni Erviyenni, Erviyenni
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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THE DEVELOPMENT OF LKPD PREDICT, OBSERVATION, EXPLANATION, ELABORATION, WRITE AND EVALUATION (POE2WE) ON COLLIGATIVE PROPERTIES OF SOLUTIONS MATERIALS Ningsih, Siti Warda; M.Noer, Asmadi; Erviyenni, Erviyenni
CHEDS: Journal of Chemistry, Education, and Science Vol 6, No 1 (2022)
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/cheds.v6i1.5386

Abstract

This research was conducted based on a needs analysis that showed that the LKPD used was still lacking to develop the level of thinking skills of students. The purpose of this study is to develop a Learner Activity Sheet (LKPD) model of Predict, Observation, Explanation, Elaboration, Write and Evaluation (POE2WE) in chemistry learning on the subject matter of colligative properties of solutions. This research uses the research and development (RD) method with a limited 4-D development model. The steps for developing this research are (1) Define, (2) Design and (3) Develop. The instruments used in this study were validation sheets and user response questionnaires. Based on the validation results to determine the quality of the LKPD of the POE2WE model on the material colligative properties of the solution, validity was obtained in the aspects of content feasibility, POE2WE characteristics, language, presentation and graphic successively by 95.83%, 95.83%, 95.02%, 93.75% and 87.55 with valid criteria. Valid student activity sheets were tested for user response by 20 students and 2 chemistry teachers and obtained consecutive scores of 93.075% and 96.65% with good criteria. Based on the results of data analysis, it can be concluded that the resulting POE2WE model LKPD is declared valid and can be used in chemistry learning class XII SMA / MA material colligative properties of solutions to increase motivation and learning outcomes of students. 
PENGEMBANGAN E-LKPD BERBASIS SOCIO SCIENTIFIC ISSUE MENGGUNAKAN APLIKASI LIVEWORKSHEET PADA MATERI TERMOKIMIA KELAS XI SMA/MA SEDERAJAT Achiryani, Rachmawati Septia; Erviyenni, Erviyenni; Abdullah, Abdullah
Journal of Research and Education Chemistry Vol. 8 No. 1 (2026): April
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jrec.2026.vol8(1).25837

Abstract

This study aims to develop a socio scientific issue-based E-LKPD on Thermochemistry material that is valid and receives positive responses from users. The research employed the ADDIE development model, consisting of five stages: analysis, design, development, implementation, and evaluation. Research data were collected through validation sheets and user response questionnaires. The validation results conducted twice indicated that the E-LKPD was considered highly valid by material and media experts, with percentage scores across various aspects exceeding 96%. User response trials showed positive feedback from both teachers and students, with percentages of 91.41% and 92.29%, respectively. Based on these findings, the E-LKPD is declared valid and positively received, making it feasible for use in Thermochemistry learning.
Co-Authors Abdullah Abdullah Achiryani, Rachmawati Septia Amelian, Wulan Andami, Fitri Anugrah, Putri Suci Ardi, Dinda Melissa Asmadi Muhammad Noer Aulia, Nurul Huda Badiah, Nurul Betty Holiwarni Dandulana, Rezki Fabilla Elva Yasmi Amran, Elva Yasmi Eva Yuli Wardhani Yuli Wardhani, Eva Yuli Wardhani Yuli Fharadilla, Anita Ginting, Emmia Yulita Gita M.S, Rentha Halbi, Zulfira Hardiyansyah, Muhammad Agus Herdini , Herdini Jimmi Copriady Johni Azmi Lenny Anwar M.Noer, Asmadi Maria Erna Kustyawati Muthia, Kesya Zahra Ningsih, Siti Warda Nugraha, Rani Pratiwi Pratiwi, Wira Putri Adita Wulandari Putri, Nadila Putri, Tiara Swastika R. Usman Rery Rahmadini, Martalia Rahmi, Marhaini Ramadhan, Ahmad Khairu Rasmiwetti Rasmiwetti, Rasmiwetti Rery, Radjawaly Usman Roza Linda Sabina, Bulan Safitri, Welinda Saragih, Eldifa Rotua Sari, Rita Purnama Siti Hajar Sri Haryati Sri Wilda Albeta Suhana, Mely Dwi