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STUDENTS' CONCEPTIONS, TROUBLESOME KNOWLEDGE, AND THRESHOLD CONCEPT OF CATALYST EFFECT ON REACTION RATE Wiji Wiji; Iqlima Rahayu; Tuszie Widhiyanti; Sri Mulyani
Jurnal Pengajaran MIPA Vol 27, No 1 (2022): JPMIPA: Volume 27, Issue 1, 2022
Publisher : Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18269/jpmipa.v27i1.49957

Student conceptions provide valuable information for understanding learning difficulties and provide insight into how they can be addressed appropriately. Analyzing students' conceptions can also provide insight into what concepts are troublesome or serve as concepts affecting learning. Using the Interview About Event-Mental Model Diagnostic Test (TDM-IAE), twenty-one high school and university students' conceptions, troublesome knowledge, and threshold concepts for understanding the effect of catalyst to reaction rate were identified. Students mostly held partial mental models or mental models with misconceptions in which three concepts were considered troublesome and threshold concepts for understanding the effect of catalyst on reaction rate.

Bahasa Inggris Dian Hasanah; Wiji Wiji; Sri Mulyani; Tuszie Widhiyanti
Jurnal Penelitian Pendidikan IPA Vol. 9 No. 11 (2023): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i11.3811

This study aims to analyze students' mental models on the concept of chemical bonds using a two-tier mental model diagnostic test. A test with the first tier asking the content and the second tier asking the reasons for the answers at the first tier. The test used has been developed and declared valid with a degree of reliability 0.751. This research is qualitative research with a case study design. Students' mental models are categorized into complete mental models, partial mental models, mental models with misconceptions, and mental models with inconsistencies. In the concept of chemical bonds found 17, 9, 15, and 59% of students with complete, partial, misconceptions, and inconsistencies in mental models respectively. Most students have misconceptions by stating that ionic bonds are formed through atomization and the formation of bonding electrons by reason of the sharing of electrons in ionic crystals. In addition, students understand that the process of forming covalent bonds in oxygen and fluorine occurs because of the attraction between atoms which is greater than the repulsion between bonded atoms. Among the inconsistent concepts found are students explaining the phenomenon of solubility, boiling point, and melting point based on the concept of the electron cloud.

Bahasa Inggris Dian Hasanah; Wiji Wiji; Sri Mulyani; Tuszie Widhiyanti
Jurnal Penelitian Pendidikan IPA Vol 9 No 11 (2023): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i11.3811

This study aims to analyze students' mental models on the concept of chemical bonds using a two-tier mental model diagnostic test. A test with the first tier asking the content and the second tier asking the reasons for the answers at the first tier. The test used has been developed and declared valid with a degree of reliability 0.751. This research is qualitative research with a case study design. Students' mental models are categorized into complete mental models, partial mental models, mental models with misconceptions, and mental models with inconsistencies. In the concept of chemical bonds found 17, 9, 15, and 59% of students with complete, partial, misconceptions, and inconsistencies in mental models respectively. Most students have misconceptions by stating that ionic bonds are formed through atomization and the formation of bonding electrons by reason of the sharing of electrons in ionic crystals. In addition, students understand that the process of forming covalent bonds in oxygen and fluorine occurs because of the attraction between atoms which is greater than the repulsion between bonded atoms. Among the inconsistent concepts found are students explaining the phenomenon of solubility, boiling point, and melting point based on the concept of the electron cloud.

Pelatihan penjaminan mutu dan pembelajaran IPA dan Matematika berbasis STEM pada Kurikulum Merdeka dalam pengembangan Projek Penguatan Profil Pelajar Pancasila (P5) Adi Rahmat; Aan Hasanah; Irma Rahma Suwarma; Rini Solihat; Tuszie Widhiyanti; Ratni Purwasih
Abdimas Siliwangi Vol. 7 No. 1 (2024): Februari 2024
Publisher : IKIP SILIWANGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/as.v7i1.21565

Commitment to the Society (PKM) is aimed at sustainable training of teachers and can be one of the solutions to improve the quality of standard content and learning processes. One is through quality assurance training and learning IPA and mathematics-based stem on an independent curriculum in developing a project to strengthen the profile of students' Pancasila (P5). This PKM partner is the head of the school and the teacher of the core subjects of IPA in some high schools in the district of Tasikmalaya. This dedication phase is FGD with science teachers on needs analysis, potential and problem analysis, strengthening and supporting training preparation, reinforcement and support training implementation, follow-up studies, evaluation and reporting preparation. The result of this dedication is that the participants of the STEM-based learning activities declare to gain knowledge and experience in STEM-based learning. After this training, the participants declared that they were ready to try to implement STEM-based learning in their respective schools.

Tinjauan Literatur Sistematis: Tes Diagnostik Tiga Tingkat untuk Mengidentifikasi Kesalahpahaman dalam Kimia Beatrice Ruth Nathania Simanjuntak; Wiji Wiji; Tuszie Widhiyanti
Jurnal Penelitian Pendidikan IPA Vol 11 No 7 (2025): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i7.11011

This study presents a literature review on the use of the three-tier diagnostic test in identifying students’ misconceptions in chemistry and offers insights into its effectiveness in educational evaluation. A literature review of studies from 2019 to 2024 shows that 71.43% of these tests use close-ended questions due to their efficiency in terms of time, cost, and data analysis, compared to 28.57% that use open-ended questions. Research findings indicate that this test has successfully identified misconceptions in various chemistry topics, such as equilibrium, chemical bonding, ionization energy, and acids-bases. The ability of the three-tier diagnostic test to detect misconceptions makes it an effective tool for improving students’ conceptual understanding. The findings indicate that the three-tier diagnostic test has been widely used to uncover students’ conceptual difficulties across various chemistry topics. Its use has shown promise in supporting more accurate and in-depth assessments compared to traditional evaluation methods. The review suggests that this type of diagnostic testing can enhance the quality of formative assessments and contribute to improved instructional planning.

Development of Intertextual-Based Learning Videos on The Concept of The Influence of Changes in Concentration on Shifts in Equilibrium Putri Nisrina; Wiji Wiji; Tuszie Widhiyanti
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.11018

This research aims to produce an intertextual-based learning video on the concept of the effect of concentration on shifting equilibrium. This research uses the development research method (R&D) with the ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The resulting product is an animated video in the form of mp4 which contains the concept of the effect of concentration on shifting equilibrium. Based on the assessment of product quality by content experts obtained a percentage of 85.71% with a very good category (VG); from the pedagogy expert assessment obtained a percentage of 90.27% with a very good category (VG); from the media expert assessment obtained a percentage of 95.60% with a very good category (VG). The video was implemented by limited testing to high school students in class XI as many as 34 students, and chemistry teachers using questionnaires, and according to the assessment of high school chemistry teachers obtained a percentage of 97.40% in the very good category (VG). This product received a positive response from students with a percentage of 90%. Based on the feedback received from experts, teachers and student responses, this learning video was revised so that it can be used as an alternative media for the chemistry learning process in the classroom.

Development of an Intertextual E-Module on Intermolecular Forces with Potential to Improve Students’ Concept Mastery and Critical Thinking Skills Hany Ayudyaningrum; Wiji Wiji; Tuszie Widhiyanti
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.13240

This study aims to develop an intertextual-based e-module on the concept of intermolecular forces that has the potential to improve students' conceptual mastery and critical thinking skills. The research was conducted using the ADDIE model, which concluding at the development stage. The e-module was designed by integrating multiple chemical representations (macroscopic, submicroscopic, and symbolic) to enable students to master the concept comprehensively. In addition, the e-module was developed based on critical thinking indicators. The results showed that the e-module had characteristics of being self-instructional, self-contained, stand-alone, adaptive, user-friendly, consistent, multimedia-integrated, intertextual-based, and attentive to learning principles. The developed e-module was tested for feasibility by media experts, language experts, subject matter experts, and instructional method experts. The feasibility test results indicated that the e-module was declared feasible with some suggestions for improvement. The suggestions and feedback from the experts were used to revise the product design. Thus, an intertextual-based e-module on the concept of intermolecular forces was obtained, which has the potential to improve students' concept mastery and critical thinking skills.

Systematic Literature Review: Pengalaman Belajar Kimia Organik yang Menyenangkan dengan Game Edukasi Clarysa Satari; Wiji Wiji; Tuszie Widhiyanti; Sri Mulyani
Jurnal Penelitian Pendidikan IPA Vol 10 No 7 (2024): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i7.6855

This article examines organic chemistry educational games developed between 2017-2023. The purpose of this study is to find out the types of educational games that are most developed, organic chemistry materials that have been developed in the form of educational games, and the positive impact of educational games in studying organic chemistry. The method used in this study is a systematic literature review. The systematic literature review is carried out in three stages, namely the planning stage, the implementation stage, and the reporting stage. Based on the results of the study, 38 articles were obtained by the criteria and further analysis was carried out. The results of the analysis show that organic chemistry educational games are developed with various types of games both in digital and non-digital forms. The most developed organic chemistry educational games are strategy video games and card games. The most developed material in the form of educational games is the molecular structure of organic compounds which is shown to deepen students' understanding in organic chemistry courses.

Development of a Mental Model Diagnostic Test Using Predict Observe Explain Approach on Corrosion Concepts Samuel Indra Pratama; Tuszie Widhiyanti; Wiji Wiji
JCER (Journal of Chemistry Education Research) Vol. 10 No. 1 (2026): Volume 10 No. 1 June 2026
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jcer.v10n1.p74-83

This study aimed to develop a Predict–Observe–Explain (POE)-based diagnostic test on corrosion concepts to identify students’ mental model profiles. The research employed a Design and Development Research (DDR) approach, involving design, development, and limited evaluation through expert validation, readability testing, and limited trials. The instrument consisted of POE-based items supported by images, videos, and observation tables, integrating macroscopic, submicroscopic, and symbolic representations. The results indicated good content validity based on evaluations from five experts, with revisions made to the third indicator and several items. The instrument was subsequently refined based on expert suggestions before undergoing readability and reliability testing. Readability results showed that all items were highly comprehensible, with an average score above 3.7. Reliability testing using Cronbach’s Alpha yielded a coefficient of 0.917, indicating very high reliability. Therefore, the developed instrument is valid, reliable, and suitable for identifying students’ mental model profiles.

Pelatihan Strategi Pembelajaran Berbasis Intertekstual dengan Pendekatan Deep Learning bagi Guru Kimia Kota Bekasi Rosyidah Syafaatur Rohmah; Wiji Wiji; Sri Mulyani; Tuszie Widhiyanti; Adinda Melinda Ceria Ajie; Iqlima Rahayu
ABDI: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 8 No 2 (2026): Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat
Publisher : Labor Jurusan Sosiologi, Fakultas Ilmu Sosial, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/abdi.v8i2.1823

Pendekatan deep learning digunakan oleh Kementerian Pendidikan Dasar dan Menengah untuk meningkatkan proses dan mutu pembelajaran. Prinsip pendekatan deep learning terdiri dari berkesadaran (mindful), bermakna (meaningful), dan menggembirakan (joyful). Pendekatan deep learning dianggap baru oleh guru-guru kimia di kota Bekasi dan menyebabkan kesulitan dalam implementasi pembelajaran di kelas. Pembelajaran di kelas hanya berfokus pada level makroskopik dan simbolik, yang mengakibatkan siswa kesulitan dalam memvisualisasikan kimia di level submikroskopik. Tujuan pengabdian adalah untuk melatih guru kimia kota Bekasi dalam mengimplementasikan strategi pembelajaran berbasis intertekstual dengan pendekatan deep learning. Metode yang digunakan adalah pelatihan yang dilakukan di SMAN 6 Kota Bekasi. Hasil dari pelatihan adalah sebanyak 95% guru merasa sangat puas dengan materi dan narasumber pelatihan, sebanyak 75% guru sangat memahami konsep pembelajaran kimia berbasis intertekstual, sebanyak 77,5% guru sangat memahami pendekatan deep learning dalam pembelajaran kimia, dan sebanyak 92,5% guru merasa sangat puas setelah mengikuti pelatihan.

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