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Rojai Zhofir
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INDONESIA
Indonesian Science Education Journal (ISEJ)
Published by Yayasan Darussalam Bengkulu
ISSN : -     EISSN : 27163350     DOI : https://doi.org/10.62159/isej.XXXX
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education Other
ISEJ : Indonesian Science Education Journal ISEJ : Indonesian Science Education Journal is a medium of communication used by researchers, lecturers, teachers, practitioners, and University student for submitting result of studies and prioritized result of the study and review of the literature in the sphere of natural science education in primary education, secondary education and higher education. Additionally, this journal also covers the issues of environmental education & environmental science.
Arjuna Subject : Umum - Umum
Articles 75 Documents
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Exploring the Ecotourism Potential of Mangrove Ecosystems: A Case Study of Bhadrika Mangrove Tourism Park for Sustainable Coastal Development in Indonesia Riana, Anike; Okta Pianti, Dinsi; Ramadhila, Rizka; Pranata, Yokos; Rangga Nata, Penggi
ISEJ : Indonesian Science Education Journal Vol. 4 No. 2 (2023): May
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v4i3.97

Abstract

This study explores the ecotourism potential of the Bhadrika Mangrove Tourism Park in Bengkulu, Indonesia, with the aim of assessing its attractiveness as a sustainable tourism destination that can contribute to both environmental conservation and local economic development. The research was conducted in July-August 2020, utilizing a mixed-methods approach that combined field observations and semi-structured interviews with local stakeholders, community members, and visitors. The data were analyzed using descriptive methods and the Scenic Beauty Estimation (SBE) technique to evaluate the aesthetic appeal of the park’s mangrove ecosystems. The results revealed that the park’s diverse mangrove species, river estuaries, and coastal landscapes offer significant potential for educational and recreational tourism activities. Key attractions include guided tours, photography zones, children’s play areas, and local food vendors. The study also highlighted strong community support for ecotourism, with local residents expressing interest in participating in tourism-related activities and benefiting from increased job opportunities. Despite the promising potential, the study identified several challenges, including the need for infrastructure improvements and the importance of maintaining a balance between tourism growth and ecological preservation. This research contributes to the growing body of knowledge on mangrove ecotourism by providing a detailed case study of a lesser-known mangrove site in Indonesia. The findings suggest that with appropriate management, the Bhadrika Mangrove Tourism Park could serve as a model for sustainable ecotourism in coastal regions, promoting both conservation and community empowerment.
Effectiveness of Soybean Pulp Oil as a Natural Preservative for Wagyu Beef: Impact on Moisture Retention and Nutritional Composition Hasanah, Qomariah
ISEJ : Indonesian Science Education Journal Vol. 5 No. 1 (2024): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v5i1.106

Abstract

The Covid-19 pandemic has rapidly transformed global education systems, pushing institutions toward online learning. This study explores the effectiveness of WhatsApp as an e-learning tool for the Biomolecules and Metabolism course in the Tadris IPA Program at IAIN Bengkulu during the pandemic. A mixed-methods approach, including a survey and semi-structured interviews, was employed to assess students' perceptions of WhatsApp's usability, its impact on engagement, and its effectiveness in facilitating learning. The findings show that WhatsApp was widely regarded as user-friendly, cost-effective, and accessible even in areas with weak internet connectivity. A majority of students (90%) reported that WhatsApp helped reduce data usage compared to other platforms, making it a more viable option for online learning. Moreover, WhatsApp’s group chat, document sharing, and audio message features significantly enhanced student engagement and participation. This study highlights the potential of WhatsApp as an alternative e-learning tool, particularly in resource-constrained environments. The novelty of this research lies in its focus on using WhatsApp in a specialized science course, contributing to the understanding of how mobile messaging platforms can support higher education in the post-pandemic era. The results suggest that WhatsApp can be a valuable tool for improving learning outcomes in science courses, though further research is needed to address challenges related to information overload and synchronous learning limitations.
Kelayakan Instrumen Penilaian Higher Order Thinking Skills pada Materi Lingkungan Kusuma Wardany; Sulis Anjarwati
ISEJ : Indonesian Science Education Journal Vol. 1 No. 3 (2020): September 2020
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v1i3.107

Abstract

Assessment is a measuring tool used in mastery of Higher Order Thinking Skills (HOTS) in environmental materials. Research on the development of this assessment instrument aims to determine the feasibility of assessing Higher Order Thinking Skills on environmental materials in SMA Surakarta. Research on the development of the Higher Order Thinking Skills (HOTS) assessment using the Research and Development (R&D) model refers to the modified Borg and Gall (1983). The sample to test the feasibility of the assessment includes 2 expert validators, namely material experts and evaluation instrument experts. The function of material experts and evaluation instrument experts is to validate the suitability of questions with indicators (construct validity) so as to ensure that the questions developed can measure students' Higher Order Thinking Skills. The results of the material expert validation show that the average score of all aspects of the material is 100% in the "Very Good" category. The results of the evaluation instrument expert validation show that the average score of all aspects of the material is 80.95% in the "Good" category, so that the Higher Order Thinking Skills (HOTS) assessment on environmental material is considered feasible to be tested in the limited test group or field tests on students.
Pengaruh Pengelolaan Kelas dan Profesionalisme Guru terhadap Prestasi Belajar Siswa Marlina Marlina; Happy Fitria; Yenny Puspita
ISEJ : Indonesian Science Education Journal Vol. 1 No. 3 (2020): September 2020
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v1i3.135

Abstract

This study aims to: 1) analyze the effect of classroom management on student achievement; 2) to analyze the effect of teacher professionalism on student achievement; 3) to analyze the effect of classroom management and teacher professionalism together on student achievement. This research uses quantitative methods. Data collection was carried out by means of a questionnaire and documentation. Data were analyzed descriptively using SPSS version 16 for windows. From the results of the study it can be concluded that: 1) there is an effect of class management on student achievement in SMP Negeri Babat Supat District where the value of tcount> tcount or 2.998> 1.669 with linear regression equation Y = 33.470 + 0.486X1 and the contribution of class management is 43.2 %; 2) there is an effect of teacher professionalism on student achievement where the value of tcount> tcount or 3.012> 1.669 with a linear regression equation 32.704 + 0.480X2 and the contribution of classroom management is 45.4%, and 3) there is a significant influence between classroom management (X1) , and teacher professionalism (X2) on student achievement (Y) where the value of Fcount> Ftable or 17.786> 3.14 with the regression equation Y = 19.838 + 0.325X1 + 0.322X2 The coefficient of determination R2 (R Square) is 0.393 which means that management class and teacher professionalism were able to influence student achievement with a contribution of 39.3%.
Pengaruh Budaya Organisasi dan Kepemimpinan Kepala Sekolah terhadap Kinerja Guru Minsarni Minsarni; Yasir Arafat; Mulyadi Mulyadi
ISEJ : Indonesian Science Education Journal Vol. 1 No. 3 (2020): September 2020
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v1i3.136

Abstract

The Influence of Organizational Culture and Leadership of Principal on Teachers’ Performance. This research aimed to determine and describe the influence of organizational culture and leadership of principal on teachers’ performance. This research was a quantitative method using a descriptive approach. The population was all teachers at SMA Negeri 1 Palembang, totaling 90 people and all of them were used as research samples. For collecting data was used instruments which was arranged in the form of a questionnaire and likers scale as answer choices from 66 statement items which were 20 questionnaires for organizational culture variable, 24 questionnaires for leadership of principal variable, and 22 questionnaires for teachers’ performance variable. The data obtained were analyzed using data description analysis, multiple linear regression, t test analysis, F test analysis, and coefficient of determination. Based on the result of data analysis, the research showed that: (1) organizational culture had a positive effect on teacher’s performance, (2) leadership of Principal had a positive effect on teachers’ performance, (3) Organizational culture and leadership of principal had a positive effect on teachers’ performance.
Development and Validation of a Two-Tier Multiple Choice Instrument to Assess Students’ Science Process Skills in Acid-Base Chemistry Andaria, Meri; Hadiwinarto, Hadiwinarto
ISEJ : Indonesian Science Education Journal Vol. 4 No. 1 (2023): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v4i1.141

Abstract

This study aims to develop and validate a two-tier multiple choice (TTMCQ) instrument to measure senior high school students’ science process skills (SPS) in acid-base chemistry. Following Borg and Gall’s modified research and development design (nine stages), the instrument was developed, validated, and tested in two public high schools in Bengkulu, Indonesia. Validation involved content experts, assessment specialists, and experienced chemistry teachers. Field trials were conducted with 119 students, and data were analyzed for validity, reliability, item difficulty, and discrimination indices. Results show that the TTMCQ instrument demonstrated strong validity, high reliability, appropriate difficulty distribution (53% easy, 42% medium, 5% difficult), and sufficient discriminating power. Teachers reported positive perceptions, noting that the instrument effectively challenges students’ reasoning and enhances their SPS. The study highlights the potential of TTMCQ instruments as practical tools for formative and summative assessment in science education.
Leadership and Motivation as Determinants of Teacher Performance: Evidence from Indonesian Junior Secondary Schools Zulfiter, Zulfiter; Fitria , Happy; Nurkhalis, Nurkhalis
ISEJ : Indonesian Science Education Journal Vol. 4 No. 1 (2023): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v4i1.142

Abstract

Improving teacher performance has become a central concern in educational research, as teacher effectiveness is strongly linked to student achievement and the overall quality of schooling. This study aimed to investigate the influence of principals’ leadership style and teachers’ work motivation on teacher performance in junior secondary schools in Sungai Rotan District, Indonesia. Employing a quantitative correlational design, data were collected from 98 teachers using a structured questionnaire that measured leadership style, work motivation, and teacher performance, with validity and reliability established through expert review, factor analysis, and Cronbach’s alpha. Data analysis was conducted using multiple linear regression with SPSS. The results indicated that both leadership style and work motivation had significant positive effects on teacher performance, with work motivation showing a stronger influence, while the combined model explained 34.3% of the variance in teacher performance. The discussion suggests that principals who demonstrate supportive leadership practices can enhance teachers’ intrinsic and extrinsic motivation, which in turn improves their instructional planning, classroom management, and professional responsibility. This study contributes novelty by examining the simultaneous influence of leadership and motivation in the Indonesian junior secondary school context, a relationship that has been underexplored in prior research. The findings imply that effective leadership development and motivational support are essential strategies for policymakers and educational practitioners seeking to improve teacher performance and strengthen school effectiveness in developing country contexts.
Application of Democratic Leadership Style in Improving Employee Work Discipline and Motivation Syamsidar Syamsidar; Bukman Lian; Yessi Fitriani
ISEJ : Indonesian Science Education Journal Vol. 2 No. 1 (2021): Januari 2021
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v2i1.154

Abstract

This study aims to determine whether a democratic leadership style can improve discipline and work motivation of the employees of the South OKU District education office.This study uses a qualitative approach, where the focus of this research is the education office employees of South OKU Regency with a population of 80 employees, both civil servants and honorary staff. The data analysis used in this research is analysis: 1) domain analysis; 2) taxonomic analysis; 3) comparative analysis, and 4) analysis of cultural themes.The conclusions can be drawn; 1) during his tenure the head of the South OKU District, education office has implemented a democratic leadership style, 2) this leadership style can be seen from the head of the department trying to appreciate the potential of each employee, decisions are always formulated together, leaders do not limit the creativity of subordinates and provide opportunities to subordinates to work and develop; 3) the head of the department always tries to encourage community participation in infrastructure development.
Pengaruh Kompetensi Profesional dan Motivasi Kerja Guru Terhadap Kinerja Guru Selvi Nabela; Happy Fitria; Nurkhalis Nurkhalis
ISEJ : Indonesian Science Education Journal Vol. 2 No. 1 (2021): Januari 2021
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v2i1.155

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh kompetensi profesional guru dan motivasi kerja guru terhadap kinerja guru di SMP Negeri se-Kecamatan Prabumulih Barat. Populasi penelitian ini adalah guru pada SMP Negeri se-Kecamatan Prabumulih Barat sebanyak 106 orang yang digunakan untuk sampel. Data dikumpulkan dengan kuesioner menggunakan skala likert, dianalisis dengan menggunakan teknik korelasi dan regresi dengan menggunakan program SPSS versi 23.0 dan Manual. Penelitian ini menemukan bahwa: 1) ada pengaruh kompetensi profesional guru terhadap kinerja guru di SMP Negeri Se-Kecamatan Prabumulih Barat; 2) ada pengaruh Motivasi kerja terhadap kinerja guru di SMP Negeri Se-Kecamatan Prabumulih Barat, dan 3) ada pengaruh kompetensi profesional guru dan motivasi kerja secara bersama-sama terhadap kinerja guru di SMP Negeri Se-Kecamatan Prabumulih Barat sebesar 64,2% sisanya 35,8% dipengaruhi oleh faktor lainnya yang tidak termaksud variable variabel pada penelitian ini.
Assessment Instruments of Learning Motivation and Science Learning Outcomes of Class V Elementary School Students Ahmad Walid; Hadiwinarto Hadiwinarto
ISEJ : Indonesian Science Education Journal Vol. 2 No. 1 (2021): Januari 2021
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v2i1.156

Abstract

This research aims to evolve an instrument of learning motivation assessment and natural science learning outcomes. The development model used in this research was 4D, consists of define, design, develop, and disseminate. This study was only carried out until the develop stage. The subject of this research was a science learning evaluation instrument consisting of a grid, questionnaire sheet and a test of natural science learning outcome. Data collected using questionnaire and test methods. The data would be analyzed for the validity and reliability of each instrument. The average value 0.92 and 1 obtained from the results of the learning motivation assessment and learning outcome instrument validity analysis, which means that both of these assessment instruments have a very high validity. While the results of the learning motivation assessment instruments reliability analysis 0.86 and natural science learning outcome 0.87, which means that both of these instruments have a high level of reliability. From these results, it could be explained that the development of learning motivation assessment and natural science learning outcome instrument were feasible to be developed and used to make assessment of student.

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