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All Journal Jurnal Entropi Sainstek Jurnal Tadris Kimiya Lantanida Journal JSFK (Jurnal Sains Farmasi & Klinis) Jambura Journal of Educational Chemistry NUSRA: Jurnal Penelitian dan Ilmu Pendidikan Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Science and Education Journal Nian Tana Sikka: Jurnal Ilmiah Mahasiswa Pentagon: Jurnal Matematika dan Ilmu Pengetahuan Alam Algoritma: Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian dan Angkasa Damhil: Jurnal Pengabdian kepada Masyarakat Jurnal Pendidikan Kimia, Fisika dan Biologi Jurnal Riset dan Pengabdian Interdisipliner Konstanta : Jurnal Matematika dan Ilmu Pengelatuan Alam
Mangara Sihaloho
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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Pemanfaatan Pekarangan Rumah Sebagai Dapur Hidup dengan Teknik Vertikultur Untuk Meningkatkan Ketahanan Pangan Keluarga dan Menambah Eksotik Daerah Wisata Tangio, Julhim S.; Sihaloho, Mangara; Mohamad, Erni; Laliyo, Lukman A.R; Pikoli, Masrid; Husain, Rustam I; Biallangi, Nurhayati; Ischak, Netty Ino
Damhil: Jurnal Pengabdian kepada Masyarakat Vol 4, No 2: December 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/damhil.v4i2.37154

Abstract

Community service activities constitute one of the core mandates (Tri Dharma) of higher education and may be regarded as a key responsibility of institutions, lecturers, and students. A home yard is an open space surrounding a residence. When properly maintained, it can create an attractive, comfortable, healthy, and pleasant environment that enhances residents’ well-being at home. This community service program aimed to optimize the utilization of home yards through a vertical cultivation (verticulture) system using plastic waste, in order to generate additional household income and improve aesthetic value. In addition, the program promoted the reuse and recycling of plastic waste as planting media. The methods employed included field observation, communication of the activity plan, collection of plastic waste, program socialization, counseling, training and group sharing sessions, and finally monitoring. The socialization results demonstrated that used cooking oil packaging could be repurposed into planting containers and beverage bottles could be utilized as verticulture planting media. The main crop emphasized in this program was chili, which is commonly needed in every household. Other crops suitable for verticulture include annual, high-moisture herbaceous plants such as spinach, water spinach (kangkung), and lettuce, as well as tomatoes and other plant species. The implementation of this program motivated community groups to manage household waste into compost and enhanced their knowledge and skills in vegetable and medicinal plant cultivation techniques. As a result, the surrounding environment became cleaner and greener, and community members were able to meet their needs for vegetables and medicinal plants around their homes.
Mengukur Persepsi Peserta Didik tentang Lingkungan Belajar Konstruktivis Dihubungkan dengan Keterampilan Berpikir Kritisnya Pada Konsep Asam Basa Tiara Bora; Lukman Abdul Rauf Laliyo; Mangara Sihaloho
NUSRA : Jurnal Penelitian dan Ilmu Pendidikan Vol. 7 No. 2 (2026): NUSRA: Jurnal Penelitian dan Ilmu Pendidikan, Mei 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/nusra.v7i2.6214

Abstract

This study aims to measure students' perceptions of the constructivism learning environment and its relationship with critical thinking skills on the concept of Acid-Base, as well as assess the quality of critical thinking skills test items using the Rasch Model approach. The research was carried out in high school/MA/equivalent in the Gorontalo Regency area with a total of 549 respondents in grade XII. Data collection was used the Learning Environment Perception Questionnaire (CLES) and the Critical Thinking Skills Test (Facione). The results of the Rasch Model analysis showed that the instrument had excellent quality and was declared valid and reliable. The students' perception of the constructivist learning environment as a whole was in the positive category with a logite average value of +0.15. However, students' critical thinking skills were still in the low category with a logite average value of -1.04. Based on the Spearman's rho correlation test, it was found that a correlation coefficient of 0.519 with a significance value of p < .001. This shows that there is a real relationship between the perception of the constructivistic learning environment and the critical thinking skills of students. The higher the perception of students of the constructivist learning environment, the higher their critical thinking skills in acid-base material.
Pengaruh Model Pembelajaran Discovery Learning Berkonteks STEM Terhadap Kemampuan Siswa Memecahkan Masalah pada Materi Sifat Koligatif Larutan Sitti Nurhalizah Dunggio; Astin Lukum; Lukman A.R Laliyo; Masrid Pikoli; Ahmad Kadir Kilo; Mangara Sihaloho
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Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jrpi.v3i3.39732

Abstract

This study aimed to examine the influence of the discovery learning model in the STEM context on students’ problem-solving skills in the colligative properties of solution material in grade XII of SMA Negeri 4 Gorontalo. The data used in this study resulted from students’ problem-solving skills. Based on analysis, the avarage score of students’ critical thinking skills was obtained with a tcount value of 11.13 and a ttable value of 1.67065 (tcount ttable), which indicated that H0 was rejected and H1 was confirmed. In conclusion, the Discovery Learning Model influences students’ problem-solving skills in the colligative properties of solution material in the context of STEM.
The Effect of Using The PBL (Problem Based Learning) Learning Model Assisted by ChatGPT on Student Learning Outcomes in The Reaction Rate Material Sifa Nurul Aisyah; Mangara Sihaloho; Julhim S. Tangio; Astin Lukum; Haris Munandar; Thayban Thayban; Erga Kurniawati
Jambura Journal of Educational Chemistry Vol 7, No 2 (2025): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v7i2.33888

Abstract

Despite the importance of understanding reaction rate concepts in chemistry, students often struggle with abstract content and low engagement in traditional learning settings. Conventional teaching methods tend to emphasize rote memorization, limiting opportunities for critical thinking and problem-solving. This study investigated the influence of ChatGPT-assisted Problem-Based Learning (PBL) on students’ learning outcomes in reaction rate material. A quasi-experimental design with a non-equivalent control group was employed, involving two Class XI groups at SMA Negeri 1 Kabila: XI A as the experimental group (using ChatGPT-assisted PBL) and XI B as the control group (receiving conventional instruction). Learning outcomes were measured using an essay test aligned with cognitive indicators. Results showed greater improvement in the experimental group, with a posttest average of 78.68 compared to 69.23 in the control group. Independent sample t-test analysis revealed a significant difference between groups (p = 0.001 < 0.05), and the N-Gain score indicated a higher improvement category in the experimental class. These findings suggest that integrating ChatGPT into PBL enhances students’ understanding of reaction rate concepts and supports more effective learning, highlighting the potential of AI-assisted strategies in chemistry education.
Effectiveness of the Conceptual Understanding Procedures (CUPS) Learning Model on Students' Higher-Order Thinking Skills in Basic Chemical Law Material Dea Pinangi; Mangara Sihaloho; Erga Kurniawati; Weny A Musa; Haris Munandar; Julhim S Tangio; Wiwin Rewini Kunusa
Jambura Journal of Educational Chemistry Vol 7, No 2 (2025): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v7i2.33884

Abstract

Students’ higher-order thinking skills in chemistry remain low due to the dominance of conventional teaching methods. This study aimed to investigate the effect of the CUPS (Conceptual Understanding Procedures) learning model on students’ higher-order thinking skills in the topic of basic laws of chemistry. Using a quasi-experimental design with a pretest-posttest control group, two classes of 28 students each from SMAN 1 Suwawa were selected as the experimental (CUPS-based learning) and control (conventional learning) groups. Data were analyzed using independent sample t-test. Results showed a greater improvement in the experimental class (pretest = 61, posttest = 79) compared to the control class (pretest = 39, posttest = 64). A significant difference was found between the groups (p = 0.001 < 0.05), leading to the rejection of the null hypothesis. These findings indicate that the CUPS learning model positively enhances students’ higher-order thinking skills, suggesting its potential for improving chemistry education
Analysis of Students' Level of Understanding of Hydrocarbon Concepts Using a Three-Level Diagnostic Multiple-Choice Approach Marsya Divya Olii; Nurhayati Bialangi; Julhim S Tangio; Mangara Sihaloho; Erga Kurniawati
Jambura Journal of Educational Chemistry Vol 7, No 2 (2025): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v7i2.33603

Abstract

This research aims to determine students' conceptual understanding ability of hydrocarbon material using a three-tier multiple-choice diagnostic test instrument. The research was conducted at SMA Negeri 2 Wonosari using a descriptive qualitative approach. The research was carried out in the even semester of the 2024/2025 academic year. The research subjects were the students of class XI B at SMA Negeri 2 Wonosari, with a sample size of 28 students. The instrument used consisted of 15 three-tier multiple-choice questions covering answers, reasoning, and the student's confidence levels. The validity and reliability of the instrument were tested through expert analysis and empirical testing using the Rasch model. Data collection was carried out using the three-tier multiple-choice test. After obtaining the students' responses, the answers were analyzed and categorized based on conceptual understanding levels: Understanding the Concept (UC), Negative Misconception (NM), Positive Misconception (PM), and Not Understanding the Concept (NUC). The results indicate that the average percentage of conceptual understanding was 29.05%, categorized as low; negative misconceptions were 23.10%, also categorized as low; postitive misconceptions were 10.24% categorized as very low; and not understanding the conceptions 37.62%, categorized as low. In conclusion, students of class XI B at SMA Negeri 2 Wonosari showed the lowest average level of conceptual understanding compared to those experiencing misconceptions or lacking scientific understanding of the concept.
Analysis of Students' Differentiating, Organizing, and Attributing Skills in Solving High School Chemistry Problems: Rasch Modeling Intan Salsabila Putri Ranjani; Lukman Abdul Rauf Laliyo; Mangara Sihaloho; Ishak Isa; Julhim S. Tangio; Najmah Najmah; Thayban Thayban; Erga Kurniawati
Jambura Journal of Educational Chemistry Vol 8, No 1 (2026): February
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v8i1.32076

Abstract

This study aims to analyze the ability of XII grade high school students in solving C4 level chemistry problems based on three indicators (Differentiating, Organizing, and Attributing) using Rasch modeling. This research is a quantitative study with a non-experimental research design (survey). The results showed that the level of analyzing students with an overall percentage reached 44.3%. Analysis based on indicators, Differentiating ability reached 47.06% (sufficient category), Organizing was at 44.88% (sufficient category), and Attributing also reached 40.56% (sufficient category). The ability to analyze students in SMAN A had an average value of 0.94, SMAN B had an average value of 0.11, SMAN C had an average value of -0.09, SMAN D had an average value of -0.62 SMAN E had an average value of -0.96, SMAN F had an average value of -0.25, SMAN G had an average value of 0.18, SMAN H had an average value of -0.62, while SMAN I had an average value of -0.73.
Problem Based Learning Model to Improve Analytical Thinking Skills of Grade XI Senior High School Students Sri Rahmawati Dukalang; Astin Lukum; Julhim S Tangio; Mangara Sihaloho; Wiwin Rewini Kunusa
Jambura Journal of Educational Chemistry Vol 8, No 2 (2026): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v8i2.39030

Abstract

Thermochemistry remains one of the most challenging topics in senior high school chemistry because students are required to understand abstract concepts, perform quantitative reasoning, and connect chemical phenomena with real-life contexts. However, students’ analytical thinking skills in thermochemistry are often still limited, particularly in differentiating, organizing, and attributing information during problem-solving activities. This study aimed to examine the effect of the Problem Based Learning model on improving Grade XI students’ analytical thinking skills in thermochemistry. The research employed a quasi-experimental method with a non-equivalent control group pretest-posttest design. The study was conducted at SMA Negeri 1 Kabila during the first semester of the 2025/2026 academic year, involving 49 students divided into an experimental class taught using Problem Based Learning and a control class taught using conventional instruction. Data were collected using a nine-item essay test and analyzed through normality, homogeneity, independent-samples t-test, and N-Gain analysis. The results showed that the data were normally distributed and homogeneous. The independent-samples t-test indicated a significant difference between the two classes, with tcount = 4.055 exceeding ttable = 1.678. The N-Gain results also showed that the experimental class achieved higher improvement across all analytical thinking indicators than the control class. These findings imply that Problem Based Learning is an effective instructional model for strengthening students’ analytical thinking skills in thermochemistry.
The Effect of Flipped Classroom Assisted by Edpuzzle and PhET Simulation on Students’ Critical Thinking Skills in Electrochemistry Fitriyanti Ahmad; Masrid Pikoli; Erni Mohamad; Mangara Sihaloho; Thayban Thayban; Erga Kurniawati; La Alio
Jambura Journal of Educational Chemistry Vol 8, No 2 (2026): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v8i2.38902

Abstract

Students’ critical thinking skills, particularly in electrochemistry, remain low because instruction tends to be teacher-centered and makes insufficient use of interactive technology. In addition, studies investigating the use of the flipped classroom approach assisted by Edpuzzle and PhET simulations in electrochemistry learning remain scarce. Therefore, this research was conducted to examine the impact of applying a flipped classroom model integrated with Edpuzzle and PhET simulations on students’ critical thinking skills. The study used a quasi-experimental method with a non-equivalent control group design. The research sample consisted of 12th-grade students at SMA Negeri 2 Limboto, selected through purposive sampling. The research instrument consisted of a 10-item essay test that was valid and reliable, with a Cronbach’s Alpha value of 0.814. The results showed that the average critical thinking ability of students in the experimental class increased from 29.17 to 74.26, with an N-Gain value of 0.63, classified as moderate. The Wilcoxon Signed-Rank test showed a significant difference between the pretest and posttest in both classes (p < 0.05), while the Mann–Whitney U test showed no significant difference in the pretest (p = 0.060 > 0.05), but a significant difference in the posttest (p < 0.05). Thus, the flipped classroom model supported by Edpuzzle and PhET simulations can serve as an alternative learning approach to enhance students’ critical thinking skills in electrochemistry.
Analysis of Thermochemistry Concept Understanding of Grade XI Students Based on the Consistency of Students’ Answers Using the Parallel Three-Tier Diagnostic Test Friskawati Arkani; Mangara Sihaloho; Nita Suleman; Lukman Abdul Rauf Laliyo; Netty Ino Ischak
Jambura Journal of Educational Chemistry Vol 8, No 2 (2026): August
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjec.v8i2.39096

Abstract

Thermochemistry is frequently regarded as difficult because students must connect observable heat phenomena, particle-level energy changes, and symbolic enthalpy calculations. This study aimed to analyze students’ thermochemistry concept understanding based on the consistency of their answers using a parallel three-tier diagnostic test. The research used a descriptive qualitative approach at SMA Negeri 1 Kabila during the odd semester of the 2025/2026 academic year. The subjects were 135 grade XI students. The instrument consisted of 20 parallel three-tier multiple-choice items arranged in 10 pairs that measured the same concepts through answer choices, reasoning choices, and confidence levels. Instrument quality was examined through expert validation and empirical testing using the Rasch model. The data were analyzed by calculating answer consistency and classifying students into knowing concept, misconception 1, misconception 2, misconception 3, and not understanding concept categories. The results showed that the average consistency of students’ concept understanding was only 29.48%, whereas inconsistency reached 70.52%. The average knowing concept category was 51.19%, followed by misconception 1 at 11.19%, misconception 2 at 16.84%, misconception 3 at 10.04%, and not understanding concept at 10.85%. These findings indicate that students’ thermochemistry understanding was not yet stable, especially for Hess law, calorimetry, and bond energy concepts.
Co-Authors Abas, Ramona Nintias R. Adjami, Eka Nur Fadliya Ahmad Kadir Kilo Akram La Kilo Arfan Arfan Arsyad, Muhammad Arif M. Arviani Arviani Arwin, Muh. Asaria Dakhi Asmawati J. Salum Astin Lukum Astin Lukum Biallangi, Nurhayati Botutihe, Deasy N Botutihe, Deasy N. Dea Marsanda Condong Dea Pinangi Desni, Ni Wayan Dewi Budi Purwati Erga Kurniawati Erni Mohamad Fidya, Fidya fitriyanti Ahmad Friskawati Arkani Gevira Datungsolang Hadis, Sutra S Haris Lukum HARIS MUNANDAR Haris Munandar Harni Anhar S. Ambololo Hendri Iyabu Hendri Iyabu Hidanurhayati, Hidanurhayati Ika Riyana Tungkagi Inrawani Inrawani Intan Salsabila Putri Ranjani Ipilo, Sri Rahayu Ishak Isa Jafar La Kilo Julhim S Tangio Julhim S Tangio Julhim S. Tangio Karmila B. Enu Kasman Kasman La Alio La Alio La Ode Aman La Ode Aman Laliyo, Lukman A.R Lasim, Windi Sulistiyani Latief, Suti Anggriani Limbanadi, Sandi Lukman A. R. Laliyo Lukman A.R Laliyo Maksum, M. Junaidi Manaa, Ramayanti N Mardjan Paputungan Marsya Divya Olii Marsya Divya Olii Masrid Pikoli Masrid Pikoli Masrina . Mega Fatimah Rosana Meylani Frisilia Moh Musli Malajai Moh. Fajri Moh. Fajri Langgene Muh. Arwin Najmah Najmah Najmah Najmah Neni Purnama Djaipano Netty Ino Ischak Nita Suleman Nur Hairami Idrus Nur Isty Fidya Nur, Dian Nurhayati Bialangi Openhotman, Openhotman Opir Rumape Pahrun, Abdul Wahab Perry Zakaria Pratiwi Salilung Puriyanto, Edi Rahman, Sapriyaty Rahmawati Hilala Riryn Tahir Rustam I. Husain Said, Sriyanti S Sangkota, Vivi Dia Afrianti Sifa Nurul Aisyah Siti Istiqomah Nggole Sitti Nurhalizah Dunggio Sri Rahmawati Dukalang Sripuput Oktafyani Labansir Suci Damayanti Suliyana Ibrahim Sumarlin Soleman Syawal, Apriyanto Thayban Thayban Thayban, Thayban Tiara Bora Tri Handayani Umar, Ahmat Sudir Weny A Musa Weny J.A. Musa Weny J.A. Musa Wiwin Rewini Kunusa Wiwiyani, Wiwiyani Yuszda K Salimi Zulfa K Muslimin Zulfa K Muslimin