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Journal of Educational Chemistry (JEC)
Published by Universitas Islam Negeri Walisongo Semarang
ISSN : 27153029     EISSN : 26854880     DOI : http://dx.doi.org/10.21580/jec.2020.2.1.5512
Core Subject : Science, Education,
Chemistry Education
Journal of Educational Chemistry (JEC) is a journal managed by Program Studi Pendidikan Kimia Fakultas Sains dan Teknologi Universitas Islam Negeri Walisongo Semarang (the Chemistry Education Department of Science and Technology Faculty, Walisongo State Islamic University). This Journal aims to accommodate all the writings of theoretical studies and research in the field of chemical education. This journal is published twice a year. Researchers and educational practitioners are welcome to disseminate their writings through this journal. Scope of writings published in this journal include: Learning chemistry Evaluation of chemistry education Chemistry education policy Integrating islamic value in chemistry education
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol 4, No 1 (2022)" : 7 Documents clear
Phenomenology of Conceptual Understanding Ability, Representation, and Student Algorithm on Stoichiometry Materials Aulia Rizki Fitriani; Atik Rahmawati; Ulya Lathifa
Journal of Educational Chemistry (JEC) Vol 4, No 1 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.1.9744

Abstract

One of the basics in studying quantitative chemistry is stoichiometry. Thus, skills are needed that can support students in studying stoichiometry. The purpose of this study was to determine the level of students' conceptual understanding, representation, and algorithm skills in stoichiometric material. The subjects in this study were students of the 2019 class D Chemistry study program who had studied stoichiometry in the Basic Chemistry course I. This study was a descriptive study, had a qualitative approach, and used a phenomenological design with research techniques such as tests and interviews. The results showed that the level of students' conceptual understanding ability was 32.5% in the intuitive understanding category, 37.5% in the functional misconception category, 6.25%, in the partial understanding category, 1.25% in the correct incomplete understanding category, and 22. ,5% best understanding category. The level of student representation ability in submicroscopic phenomena was 13.53% and symbolic phenomena was 70.13%. Meanwhile, the level of students' algorithmic ability is in the unstructural category, 3.75% in the multistructural category, 43.75% in the relational category, and 0% in the extend abstract category.
Development of Electrolyte and Nonelectrolyte E-Modules Integrated Demonstration Video and Science Literacy Annisa Aulia; Hardeli Hardeli
Journal of Educational Chemistry (JEC) Vol 4, No 1 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.1.10793

Abstract

The type of research used is Educational Design Research with the Plomp development model. The Plomp development model consists of 3 stages, namely; the preliminary research, the prototype phase, and the assessment phase. The research instruments used are; student observation sheets, teacher interview sheets, validity questionnaire sheets, practicality questionnaire sheets, and student learning outcomes tests. The e-module was validated by 5 validators. The results of the e-module validity test were analyzed using the Aiken's V formula, while the practicality test results were analyzed using a Likert scale. The results of the validity of the e-module obtained an average Aiken's V of 0.85 with a valid category and has a CVR value of 1  with a valid category. The results of the practicality of the e-module by teachers and students obtained an average practicality value of 98% and 84% with a very practical practicality category. The results of the e-module effectiveness test obtained an average N-Gain value for the experimental class of 0.63 with a medium category. Based on the research results, it can be concluded that the problem-based learning e-module electrolyte and nonelectrolyte solution integrated demonstration video and scientific literacy that has been developed is valid, practical, and effective.
Development of Learning Model Tools STEAM-based SCT in Wetland Environment Theme Norsalehah Norsalehah; Leny Leny; Rusmansyah Rusmansyah; R A Sholeha
Journal of Educational Chemistry (JEC) Vol 4, No 1 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.1.9758

Abstract

This study aimed to produce learning tools that meet the eligibility criteria based on the level of validity, practicality, and effectiveness. This study used methods of RD with a 4D development model. The study was conducted with 5 students on individual trials, 9 students on small group trials, and 35 students on limited trials. The results showed: (1) Validity, expert validation results for lesson plans, and students' worksheets were obtained at 99.3% and 87.3% (accurate); (2) Practicality, from the results of students' responses to questionnaires on individual trials of 3.44 (good), small group trials of 4.29 (good), student response questionnaires of 3.93 (good), teacher's response questionnaires on learning and lesson plans of 4.70 and 4.30 (very good) and observations of the implementation of learning using lesson plans of 4.29 (excellent); (3) The effectiveness was seen in the average N-gain score for creative thinking abilities and self-efficacy of students, namely 0.54 (medium) and 0.73 (high). Overall the development of this learning device had met the eligibility criteria to train students' creative thinking skills and self-efficacy.
Design of Chemo-entrepreneurship Oriented Teaching Materials to Analyze Students' Entrepreneurial Creativity Maula Najikh Wildana; Sri Susilogati Sumarti; Endang Susilaningsih; Nuryanto Nuryanto
Journal of Educational Chemistry (JEC) Vol 4, No 1 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.1.9612

Abstract

Studying Chemistry is not about the concept but how to train the students' creativity. The learning outcomes are influenced by several factors, including learning models and materials. Teachers still use the books provided by the school, so teachers should develop learning materials that suit learning objectives and students' conditions. Teachers should analyze the students' cognitive ability and also creativity. Chemo-entrepreneurship-oriented learning materials would help to analyze students' cognitive ability and entrepreneurial creativity. This research used research and development with ADDIE method. Results were the validity of material instrument from three experts gave very valid with the scores of 49, 50, and 48. The learning materials got a very good category from teachers' responses with a score of 34 out of 40 and got a good category from students' responses with a score of 38.53 out of 48. Results from the analysis of students' entrepreneurial creativity showed that students had high entrepreneurial creativity. Students also actively discussed and made creative products. There were aromatherapy candles, banana nuggets, apple donuts, and crispy balado potatoes.
The Implementation of STEM-Based Lipid E-Book on Student Learning Outcomes Dewi Handayani; Muzanip Alperi; Mellyta Uliyandari
Journal of Educational Chemistry (JEC) Vol 4, No 1 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.1.9715

Abstract

The purpose of the study  was to analyze the effect of using lipid e-books using the STEM approach on student learning outcomes. The method uses pre-experimental research with one group pretest posttest design. This research was conducted at one of the State Universities in Bengkulu with the subject consisting of 26 students who took the Organic Chemistry 2 course. The instrument used in this study was a multiple choice test with 4 meetings in the form of pretest and posttest questions. Data analysis techniques include the average value (mean), normality test, and hypothesis testing using a t-test using the SPPS for windows version 23 computer program. The results showed the average score of the learning outcomes before using the lipid organic chemistry e-book was 54.90, while after using the e-book the average value is 79.81. The learning outcomes data were normally distributed and the t-test value showed Significant (2-tailed) 0.00. These results indicate that the developed STEM-based teaching materials can improve student learning outcomes in particular and are able to improve the quality of learning for organic chemistry 2 courses in general.
Analysis of Ruangguru as the Online Learning Media on Chemistry Learning Mas'udah Mas'udah; Salamah Agung; Evi Sapinatul Bahriah
Journal of Educational Chemistry (JEC) Vol 4, No 1 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.1.11313

Abstract

Ruangguru is one of the leading online education platforms in Indonesia that has followed a learning system based on the applicable curriculum. There is a need for analysis to find out how capable the Ruangguru application is in supporting online learning activities. Therefore, this study aimed to know the process of learning chemistry in the Ruangguru online learning media, especially on the solubility product and solubility product constant (Ksp). The type of research used was descriptive qualitative. Data collection techniques used observation and documentation. The results showed that the Ruangguru application met the criteria in supporting the online learning system of solubility and solubility product constant (Ksp) materials, which had facilities with learning materials delivered via live streaming video with the guidance of online tutors. In addition, there were facilities that could support all student activities, such as the availability of study modules, study groups, and learning evaluations. These are in order to improve students understanding abilities and have a good impact on the learning outcomes obtained, which has facilities with learning materials delivered via live streaming videos with the guidance of online tutors.
Development of Computer Based Test Instrument for Higher Order Thinking Skills (CBT-HOTS) on Chemical Bonding Materials Sulistiani Sulistiani; Muhammad Yusuf
Journal of Educational Chemistry (JEC) Vol 4, No 1 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.1.11709

Abstract

This study aimed to produce a computer-based test instrument for higher-order thinking skills (CBT-HOTS) on the chemical bonding materials and to determine the higher-order thinking skills of students in Class X MIA at MAN Binjai Academic Year 2021/2022. This research employed the ADDIE model of Research and Development (RD). The test instrument was created in the form of multiple-choice consisting of 30 questions measuring the cognitive domains of analyzing (C4), evaluating (C5), and creating (C6). Based on the findings, the developed instrument was declared feasible for use, considering that it had met the required content validity by expert assessments using the Aiken’s V index in the range of 0.97 to 1.00 and the reliability value of 0.93. The students' higher-order thinking skills on chemical bonding materials were included in the "high" category. It was shown from the percentages of answers to the HOTS questions in each involved domain; analyzing (C4) by 28%, evaluating (C5) by 44%, and creating (C6) by 28%. Additionally, the average score was 74.64, indicating that students' higher-order thinking skills were high.

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