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All Journal Jurnal Pendidikan dan Pembelajaran Kimia (JPPK) Bulletin of Social Studies and Community Development Jurnal Pendidikan MIPA Jurnal Pendidikan Progresif
Lisa Tania
University of Lampung
Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Journal : Bulletin of Social Studies and Community Development

 1 
Dynamic Representation-Aided Discovery Learning to Improve Translational Ability between Different Representations at the Same Level Saputra, Andrian; Tania, Lisa; Hanun, Annisa
Bulletin of Social Studies and Community Development Vol 3, No 1 (2024): Bulletin of Social Science and Community Development
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/bsscd/v3i1.pp01-07

Abstract

Abstract: This research aimed to describe the effectiveness of discovery learning assisted by molecular simulations in improving translational ability at the same level on stoichiometric topic. The method used in this research was quasi-experimental with purposive sampling data collection techniques. The population in this study were all students in class XI Science at SMA Negeri 2 Metro for the 2022/2023 academic year. Class X IPA 2 was the experimental class while class XI IPA 3 as the control class. The increase in translational ability at the same level was measured based on the significant difference in the n-gain average in the experimental class and the control class. The research results showed that the n-gain average of students in the experimental class was 0.6 in high criteria, while the n-gain average of students in the control class was 0.53 in medium criteria. Based on the difference test, the translational ability at the same level of students in the experimental class was higher than in the control class. It can be concluded that discovery learning assisted by molecular simulations was effective in improving translation abilities at one level of chemical representation in stoichiometric topic. Keywords: discovery learning, molecular simulation, translation ability at one level chemical representation, stoichiometry
Enhancing Molecular Modelling Skill of High Schools Chemistry Teacher using Computational Chemistry Training Saputra, Andrian; Tania, Lisa
Bulletin of Social Studies and Community Development Vol 2, No 2 (2023): Bulletin of Social Studies and Community Development
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/bsscd/v2i2.pp77-85

Abstract

Abstract: Current developments in information and communication technology require innovative efforts to integrate computers and visualization in learning. In the field of chemistry, many studies have proven that the integration of ICT plays a significant role in increasing the effectiveness of chemistry learning. The aim of this workshop activity is to increase the knowledge and skills of high school/MA chemistry teachers in Lampung Province in teaching atomic structure and chemical bonding based on computational chemistry using computational chemistry applications. This activity will be carried out for 6 months and will be attended by high school/MA chemistry teachers in Lampung Province. The training methods that will be used are workshops and guided practice. The activity evaluation design was carried out in 2 ways, namely evaluating participant understanding and evaluating participant skills. Evaluation of participants' understanding is based on pretest scores at the beginning of the activity and posttest at the end of the activity. Evaluation of participant skills is based on the participant performance assessment criteria during the workshop process. The results of the service implementation show that participants have been able to understand and know the types, advantages, functions and working/working procedures of smartphone-based molecular modeling applications for learning chemistry on atomic structure and the periodic system of elements. The participant performance during the training increase significantly in operating the computational program. The follow-up to this service is to expand the service participants to all teachers in Lampung Province and expand the workshop material not only on atomic structure and the periodic system of elements, but on other material such as chemical bonds, reaction rates, equilibrium, and so on. Keywords: computational chemistry training, molecular modelling skill, high school teacher.
Improving Math and Science Teachers’ Understanding and Practical Skills of Case-Based Instruction: An Intensive Training Program in Bandar Lampung, Indonesia Sunyono, Sunyono; Saputra, Andrian; Tania, Lisa; Meristin, Annisa
Bulletin of Social Studies and Community Development Vol 3, No 1 (2024): Bulletin of Social Science and Community Development
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/bsscd/v3i1.pp34-42

Abstract

Abstract: This program was designed to bolster high school teachers' expertise in applying the case method to math and science instruction. Over six months, 19 teachers from Lampung Province participated in a structured series of lectures, workshops, and interactive sessions. The pretest and posttest evaluations highlighted significant gains in both conceptual understanding and the ability to develop case-based teaching materials. Participants were also trained to design student worksheets with digital tools like Canva, integrating scientific and socio-scientific scenarios into their lessons. By doing so, the program nurtured critical thinking, problem-solving, and environmental awareness among educators and their students. By equipping teachers with effective strategies for embedding real-world cases into their teaching, the initiative has taken a meaningful step toward advancing innovative practices in chemistry education and other scientific disciplines. To amplify its impact, expanding the program to additional regions and incorporating more classroom simulations is recommended. Such steps would further refine teachers' skills and boost student engagement with complex scientific topics. Emphasizing creativity, critical thinking, and real-world connections, this initiative represents a significant stride in enhancing high school science education. Keywords: case-based instruction, high school teachers, socioscientific issues.
A Validated Instrument to Assess Representational Interpretation Skills in Basic Chemistry Laws: A Development and Validation Study Tania, Lisa; Saputra, Andrian
Bulletin of Social Studies and Community Development Vol 4, No 1 (2025): Bulletin of Social Science and Community Development
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/bsscd/v4i1.pp01-13

Abstract

The abstract and symbolic nature of chemistry presents significant learning challenges for students, particularly in the understanding of foundational concepts through a variety of representations. It's tougher to teach well, especially in Indonesia, because there are not many trustworthy instruments to measure students' interpretative skills, which are very important for representational competence. The goal of this study was to fill this gap by creating and testing a reliable assessment tool called the Assessment of Representational Competence in Fundamental Chemical Laws (ARC-FCL), which was meant to measure the interpretative skills of Indonesian senior high school students.  The Define, Design, and Develop stages of the 4D model were employed in the Research and Development process of this study design. The Kozma-Russell framework and the Three-Dimensional Learning Assessment Protocol (3D-LAP) helped shape the instrument's development. The ARC-FCL test has two levels of multiple-choice and essay questions about the laws of Lavoisier, Dalton, and Gay-Lussac. Two chemistry education professors and one experienced instructor reviewed the content to ensure its validity. Researchers got real-world data for psychometric analysis from 30 11th-grade students at a senior high school in Lampung, Indonesia. The study looked at item validity using Pearson correlation, item discrimination, and internal consistency reliability using Cronbach alpha. All three designed items had great validity, with correlation values over the key threshold of 0.361 and good discrimination indices between 0.50 and 0.75. The instrument was somewhat reliable, with a Cronbach alpha coefficient of 0.572. This is fine for a formative diagnostic tool at this early stage of development. Item analysis also showed that students had the most trouble with the question about the Law of Multiple Proportions.  In conclusion, this study developed a valuable and valid instrument for identifying the specific challenges faced by students when attempting to comprehend sub-microscopic representations of fundamental chemical principles. As a formative assessment instrument that fits with the Kurikulum Merdeka, the ARC-FCL is quite useful for Indonesian teachers. It encourages a move from memorizing things by heart to comprehending them better and learning how to do science. Future work should be focused on adding more items to the bank to make it more reliable and cover more ground. Keywords: representational competence, assessment instrument, interpretive skills, basic chemical laws, 4D model, instrument validation.
Co-Authors Andrian Saputra Hanun, Annisa Hendriani, Fresti Hernita, Firna Meristin, Annisa Mutiara Sari Nina Kadaritna Sahara, Besta Rosita Sahaya, Hilna Diana Sunyono - -