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Teguh Wibowo
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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 133 Documents
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KIMI.AR Application for Easier and Interactive Chemistry Learning Irawan, Elysa Nensy; Salman, Fauzie; Putri, Aisyah Aira; Sakti, Rizky Hamdani; Mulya, Tri Seda; Venica, Liptia
Journal of Educational Chemistry (JEC) Vol 5, No 2 (2023)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.2.16077

Abstract

Chemistry is a crucial subject since it covers the structure and makeup of the world around us. However, chemistry is frequently cited as a subject that students dislike. Most secondary school pupils believe that chemistry is difficult, uninteresting, and unimportant. Therefore, an improvement in learning technic is needed. An application called KIMI.AR was created in this research. KIMI.AR is a learning media in the form of a mobile-based augmented reality application regarding elements and the formation of chemical reactions that are expected to solve high school students' problems in the chemistry learning process. What makes the KIMI.AR application better than other chemistry learning applications is the focus on the displayed material according to the user's level and displaying descriptions in addition to 3D visualization that students can access through their respective Android devices. So, through the KIMI.AR application, learning chemistry becomes easier and more interesting.
The Effect of Android Game-Based Learning Media on Student Learning Outcomes in Terms of Self-Directed Learning Solihah, Mar'attus
Journal of Educational Chemistry (JEC) Vol 5, No 2 (2023)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.2.21689

Abstract

The aim of this study was to investigate the effect of android-based game learning media on student learning outcome in terms of self-directed learning. This study conducted in experimental research using two-way Anova design with student learning outcome as the dependent variable. The independent variable in this study is the use of Android game-based learning media in acid and base. A total 45 students at SMA N 2 Wonosari participated in this study, consisting of 21 students in the experimental group and 24 students in control group. This sample drawn by cluster random technique. The treatment group received learning with the assist of android game-based media while the control group only used textbooks conventionally. Student learning outcomes are measured using multiple choice questions. This instrument was tested before being used to examine the validity and reliability. To test the hypothesis analisys of variance test was being carried out. Result for the main hypothesis shows that there are differences between experimental group and control group on student learning outcome. Class that used android game-based learning media gain higher cognitive learning outcome than the conventional class. There are no differences in student learning outcome at any level of student self-directed learning. Also there are no interaction between student self-directed learning and student learning outcome.
The Influence of Science, Technology, Engineering, and Mathematics (STEM) Learning Models to Improve Students' Critical Thinking Skills Gusman, Tania Avianda; Listanty, Ruri Vhirgiani; Azizah, Dewiantika
Journal of Educational Chemistry (JEC) Vol 5, No 2 (2023)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.2.18426

Abstract

Low learning activity in science students causes a decrease in critical thinking skills. This can be seen from the results of learning redox material under the Kriteria Ketuntasan Minimal (KKM) of 75 in one of the high schools in Cirebon. Therefore, this study aims to improve students' critical thinking skills by using the Science, Technology, Engineering, and Mathematics (STEM) model for redox material in class X IPA MAN 1 Cirebon City. The research method used a Nonequivalent Control Group Design. Sampling was carried out by Purposive sampling consisting of class X IPA 5 as an experimental class and class X IPA 4 as a control class. The instruments used are critical thinking ability tests, observation sheets, and questionnaires. The selection of a sample based on the KKM of a class was revealed from discussions with a chemistry teacher. The development of the T-test obtained a sig value. 0.000 0.05 and an n-gain score of 0.71 with the highest category. The results showed improved critical thinking skills after being given STEM learning. Students respond very well to the teaching that has been done using the STEM model. Based on the results of the t-test and N-gain test, it can be concluded that the Science, Technology, Engineering, and Mathematics (STEM) learning model can improve students' critical thinking skills on redox material.
Development of a Three-Tier Chemical Equilibrium Multiple-Choice Test to Assess Higher-Order Thinking Skills Based on Brookhart’s Categories Fauziyah, Neneng; Feronika, Tonih; Yunita, Luki
Journal of Educational Chemistry (JEC) Vol 6, No 1 (2024)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.2.12438

Abstract

This study aimed to develop and validate the Three-Tier Chemical Equilibrium Multiple-Choice Test–HOTS (TTCEMCT–HOTS) instrument. The method employed in this study was Research and Development (RD) based on Brookhart’s (2010) indicators of higher-order thinking skills. The development procedure began with a preliminary study, followed by product draft planning and product development. These stages were succeeded by an empirical analysis of the TTCEMCT–HOTS to determine the test instrument’s validity, reliability, difficulty level, and discriminating power. The TTCEMCT–HOTS instrument was implemented with Class XI students of SMAN 4 in South Tangerang City. The results of the study were as follows: (1) the developed TTCEMCT–HOTS instrument met the criteria of 32 valid questions, with a reliability coefficient of 0.82 in the “very high” category, a “moderate” difficulty level, and “good” discriminating power; (2) 46.42% of students could solve HOTS questions, while 53.58% could not; (3) the TTCEMCT–HOTS instrument received a positive response from 80.6% of participants, placing it in the “good” category. This study is expected to provide an alternative method for measuring students' higher-order thinking skills using a three-tier test instrument integrated with HOTS indicators.
Effective Strategies for Boosting Critical Thinking and Learning Motivation: The PQ4R Approach Lutfianasari, Ulfa; Nasikah, Ilmi
Journal of Educational Chemistry (JEC) Vol 6, No 1 (2024)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2024.6.1.21668

Abstract

This research aims to determine the effectiveness of the PQ4R learning strategy on students' critical thinking skills and learning motivation. This research uses quasi-experimental research with a nonequivalent control group design. The population in this study was part of class XI MIPA at MA Negeri Kendal. Sampling was carried out using the cluster random sampling technique. The sample used in this research was 36 students of class XI MIPA 4 as the experimental class and 32 students of class XI MIPA 3 as the control class. The research results showed that the critical thinking skills t-test obtained a significance value (Sig.) 0.000 0.05, meaning there were differences in critical thinking skills between the experimental and control classes. Based on the results of the N-Gain test, critical thinking skills for the experimental class were 0.4418, and for the control class were 0.1483. The results of the t-test research on learning motivation obtained a significance value (Sig.) 0.001 0.05, meaning there is a difference in learning motivation for the experimental and control classes. Based on the results of the N-Gain test, the learning motivation for the experimental class was 0.3315, and the control class was 0.1529.  This research concludes that the effect of the effectiveness of using the PQ4R learning strategy on critical thinking skills and learning motivation in the experimental class is higher than in the control class.
Dancing with Falsification: The Dynamic of Chemistry Atomistic Theories Across Centuries Fibonacci, Anita; Kadarohman, Asep; Nahadi, Nahadi; Anwar, Sjaepul; Hernani, Hernani
Journal of Educational Chemistry (JEC) Vol 5, No 2 (2023)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2023.5.2.19054

Abstract

This research aimed to explore the contribution of the falsification process to the progress of science in the field of atomic theory. The analysis focused on the history of atomic development and how this theory underwent a process of falsification. This research was qualitative research using a literature study with a narrative review method. The results showed that the development of a theory, including the theory of atoms, has undergone many improvements. Falsification is an essential aspect of scientific progress, especially in atomic theory, involving testing the theory through experimentation and observation to determine accuracy. In the development of atomic theory, falsification played a key role, as in Dalton's atomic theory. Although revolutionary, subsequent experiments revealed subatomic particles, resulting in the falsification of Dalton's ideas and the emergence of a more complex understanding of atomic structure. The evolution of atomic theory shows that scientific knowledge is dynamic, continuing to develop through falsification. New evidence continues to refine ideas, ensuring scientific knowledge accurately reflects the natural world. The scientific method emphasizes openness to falsification, stating that theories must be testable and can be replaced when significant evidence refutes the theory. This openness is the basis for scientific progress and a deeper understanding of the universe.
Cybercrime: An Empirical Study of its Impact on Society- A Case Study of Chemistry Students Al-Ani, Ahmed; Yousif, Ahmed A; Ahmed, Waled Abdo; Yousif, Emad A
Journal of Educational Chemistry (JEC) Vol 6, No 1 (2024)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2024.6.1.17010

Abstract

Cybercrime is considered one of the most significant crimes effecting people and society. Computer network are involved in this type of crime, with various hackers participating. Through such crime,  identities and much information of the victims are stolen. Many students, especially international students and young individuals, fall victim to this fraud. This study focuses on raising awareness among people to avoid scammer’s link or unknown websites that seek to obtain their information. This will be achieved by organizing different questionnaires by teaching staff at one of the Iraqi Universities in this field, to be answered by undergraduate and postgraduate students. The statistical analysis conducted on this group  showed that students are more educated and aware, making them less likely to fall victim to these types of crime. This is a result of the knowledge and skills these students acquired through technology and various sessions and training at universities or other resources.
The Effectiveness of Scientific Literacy-Based Student Worksheets in Improving Student Learning Outcomes in Colloid Chemistry Learning Rahmi, Chusnur; Maisarah, Maisarah; Sabarni, Sabarni
Journal of Educational Chemistry (JEC) Vol 6, No 1 (2024)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2024.6.1.20028

Abstract

Low student learning outcomes are a significant issue in high school colloid chemistry learning. Correspondingly, this research aimed to determine the effectiveness of scientific literacy-based student worksheets (LKPD) in colloid chemistry learning. A quasi-experimental approach, specifically the pretest-posttest control group design, was employed in this study. The experimental class, XI IPA-2, consisted of 15 students, while the control class, XI IPA-1, also included 15 students, with total sampling techniques used to select the sample. Test instruments were developed to collect student learning outcome data through pretest and posttest techniques. The effectiveness of student worksheets was analyzed using the N-gain test, independent sample t-test, and effect size tests. The N-gain results exhibited an average score of 0.7319, which was a high category for the experimental class, while the control class obtained a score of 0.5308, which was categorized as moderate. The independent sample t-test results indicated a 2-taliled significance score of 0.002 ( 0.05), demonstrating a significant difference between the learning outcomes of the experimental and control classes. Based on these findings, it can be concluded that scientific literacy-based student worksheets effectively improved student learning outcomes in colloid chemistry learning at the senior high school level.
Impact of Visual Audio Media on Learning Results on Class XI Reaction Speed Material Ratman, Ratman; Walanda, Daud Karel; Amalia, Maryam
JEC Vol. 6 No. 2 (2024)
Publisher : Department of Chemistry Education, Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2024.6.2.19895

Abstract

The study aims to describe the impact of the use of audiovisual media in the form of video learning on the learning results of students at Sigi District State High School 10. The research method is quantitative research with a type of quasi-experimental research or experimental experiment with a design pretest-posttest control group design. The differences in learning results on reaction speed between experimental and control classes are shown by the results of Wilcoxon and Mann Whitney's statistical analysis tests. The results of the Wilcoxons and Mann whitney statistical analytics tests on the post-test values of experimental classes and the control classes both show the significance values Asymp.Sig.(2-tailed) = <0,000. Because of the signification values Asymp.Sig.(2-tailed) = 0,000 < 0,05. Then from the two results of these statistical analyses it can be concluded that there is an influence of the use of audiovisual media in the form of video learning on the learning outcomes of students in SMAN 10 Sigi.
Analysis of Scientific Literacy of Senior High School Students in Relation to Global Warming as a Socio-Scientific Issue Hernani, Hernani; Depi, Siska Sintia; Hidayat, Lina Nurlina; Nurhadi, Atep Rian; Supriatna, Asep; Tias, Bachrul; Wafi, Wulanda
JEC Vol. 6 No. 2 (2024)
Publisher : Department of Chemistry Education, Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2024.6.2.21881

Abstract

The low scientific literacy skills of Indonesian students should be a serious concern for all science educators. Scientific literacy skills can be improved in contextual learning related to nature and social contexts that occur in the environment around students. This study aims to develop the science literacy of high school students through the application of Problem Based Learning model on the topic of global warming. This study used a quantitative approach with descriptive methods, with participants of 24 students in one of the high schools in Bandung City.  The research instrument used is a science literacy test question in the form of descriptions, which consists of 3 domains, namely context, content, and science competence, in addition, student handouts is also used to provide an overview of the PBL learning process containing the applied science literacy.  The result shows students performed Moderately in three PISA-based competencies including (i) explaining scientific phenomena, (ii) evaluating and designing scientific investigations, and (iii) analyzing evidence and data scientifically for decision-making and action.

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