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Pengaruh Model Pembelajaran Student Centered Learning (SCL) Terhadap Miskonsepsi Kimia Unsur Menggunakan Metode Certainty Of Response Index (CRI) Dengan Model Two-Tier Test Pada Mahasiswa Pendidikan Kimia Ridho, Dimas; Panggabean, Freddy Tua Musa; Gea, Olivia Febriana; Panjaitan, Khayla Akmal; Daeli, Dinastini; Nadira, Fathin
Jurnal Ilmiah Wahana Pendidikan Vol 11 No 10.C (2025): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

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Penelitian ini bertujuan untuk menganalisis hubungan penerapan Student Centered Learning (SCL) menggunakan metode Certainty of Response Index (CRI) model Two-Tier, yang melibatkan soal dan tingkat keyakinan mahasiswa terhadap pemahaman materi Kimia Unsur. Penelitian dilakukan pada delapan submateri, yaitu golongan IA (6%), golongan IIA (9%), golongan VIIA (13%), golongan VIIIA (13%), unsur periode 3 (16%), unsur periode 4 (6%), ion kompleks (9%), dan senyawa kompleks (19%). Hasil menunjukkan bahwa senyawa kompleks memiliki tingkat miskonsepsi tertinggi, sedangkan golongan IA dan unsur periode 4 terendah. Pendekatan SCL terbukti efektif dalam meningkatkan pemahaman konsep dasar, tetapi diperlukan strategi pembelajaran tambahan untuk mengurangi miskonsepsi pada submateri tertentu, sehingga kualitas pembelajaran kimia unsur dapat ditingkatkan secara menyeluruh

DEVELOPMENT OF CHEMISTRY LEARNING OUTCOME ASSESSMENT INSTRUMENTS (MULTIPLE CHOICE) ON HYDROCARBON MATERIAL Manullang, Enjelika; Daulay, Rabiah Afifah; Nadira, Fathin; Sihaloho, Kayra Aprilia Yosephin; Azhara, Nazwa; Nazihah, Nazwa
LAVOISIER: Chemistry Education Journal Vol 4, No 2 (2025): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v4i2.16256

This study aims to develop an assessment instrument in the form of a multiple-choice objective test on hydrocarbon material in senior high school chemistry. The research method used is research and development (RD), involving steps such as material analysis, test item construction, validation, field trials, and item analysis. The developed instrument consists of 30 items based on the learning outcomes in the "Kurikulum Merdeka". Validity testing using Pearson correlation shows that 29 out of 30 items are valid (r ≥ 0.388; sig. 0.05). Reliability testing using Cronbach's Alpha resulted in a score of 0.965, indicating very high reliability. These findings suggest that the developed test instrument is valid and reliable for evaluating students' understanding of hydrocarbon concepts.

INTEGRATION OF SUSTAINABLE VALUES EDUCATION IN CHEMISTRY LEARNING THROUGH CASE-BASED LEARNING APPROACH TO IMPROVE SCIENCE LITERACY Manullang, Enjelika; Daulay, Rabiah Afifah; Nadira, Fathin; Sihaloho, Kayra Aprilia Yosephin; Azhara, Nazwa; Nazihah, Nazwa
LAVOISIER: Chemistry Education Journal Vol 4, No 2 (2025): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v4i2.16210

Chemistry education has a strategic role in shaping students'awareness of global sustainability issues such as climate change andpollution. This study aims to analyze the effectiveness of Case-Based Learning (CBL) in integrating sustainability values intochemistry learning, while improving students' scientific literacy andcritical thinking skills. The method used is a literature study byanalyzing various sources, including journals, books, and relatedarticles. The results of the study indicate that the CBL approachsuccessfully connects chemical concepts (eg polymers and greenchemistry) with actual issues such as plastic waste and renewableenergy, so that learning becomes more contextual. In addition, thecombination of CBL with STEM-based Project-Based Learning(PjBL) has been shown to train students in problem analysis, data-based decision-making and sustainable solution development.Implementation challenges include lack of teacher training andlimited resources, which can be overcome through pedagogicaltraining, collaboration with industry, and utilization of technology(such as augmented reality). The conclusion of the study confirmsthat the integration of CBL and sustainability values in thechemistry curriculum not only strengthens scientific understandingbut also shapes students' characters who care about theenvironment. Recommendations for further research include long erm evaluation of the impact of CBL on student behavior as well the development of local wisdom-based modules (ethnoscience)

DEVELOPMENT OF CHEMISTRY LEARNING OUTCOME ASSESSMENT INSTRUMENTS (MULTIPLE CHOICE) ON HYDROCARBON MATERIAL Manullang, Enjelika; Daulay, Rabiah Afifah; Nadira, Fathin; Sihaloho, Kayra Aprilia Yosephin; Azhara, Nazwa; Nazihah, Nazwa
LAVOISIER: Chemistry Education Journal Vol 4, No 2 (2025): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v4i2.16256

This study aims to develop an assessment instrument in the form of a multiple-choice objective test on hydrocarbon material in senior high school chemistry. The research method used is research and development (RD), involving steps such as material analysis, test item construction, validation, field trials, and item analysis. The developed instrument consists of 30 items based on the learning outcomes in the "Kurikulum Merdeka". Validity testing using Pearson correlation shows that 29 out of 30 items are valid (r ≥ 0.388; sig. 0.05). Reliability testing using Cronbach's Alpha resulted in a score of 0.965, indicating very high reliability. These findings suggest that the developed test instrument is valid and reliable for evaluating students' understanding of hydrocarbon concepts.

INTEGRATION OF SUSTAINABLE VALUES EDUCATION IN CHEMISTRY LEARNING THROUGH CASE-BASED LEARNING APPROACH TO IMPROVE SCIENCE LITERACY Manullang, Enjelika; Daulay, Rabiah Afifah; Nadira, Fathin; Sihaloho, Kayra Aprilia Yosephin; Azhara, Nazwa; Nazihah, Nazwa
LAVOISIER: Chemistry Education Journal Vol 4, No 2 (2025): LAVOISIER: Chemistry Education Journal
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/lavoisier.v4i2.16210

Chemistry education has a strategic role in shaping students'awareness of global sustainability issues such as climate change andpollution. This study aims to analyze the effectiveness of Case-Based Learning (CBL) in integrating sustainability values intochemistry learning, while improving students' scientific literacy andcritical thinking skills. The method used is a literature study byanalyzing various sources, including journals, books, and relatedarticles. The results of the study indicate that the CBL approachsuccessfully connects chemical concepts (eg polymers and greenchemistry) with actual issues such as plastic waste and renewableenergy, so that learning becomes more contextual. In addition, thecombination of CBL with STEM-based Project-Based Learning(PjBL) has been shown to train students in problem analysis, data-based decision-making and sustainable solution development.Implementation challenges include lack of teacher training andlimited resources, which can be overcome through pedagogicaltraining, collaboration with industry, and utilization of technology(such as augmented reality). The conclusion of the study confirmsthat the integration of CBL and sustainability values in thechemistry curriculum not only strengthens scientific understandingbut also shapes students' characters who care about theenvironment. Recommendations for further research include long erm evaluation of the impact of CBL on student behavior as well the development of local wisdom-based modules (ethnoscience)

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