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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 4 Documents
 1 
Search results for , issue "Vol. 7 No. 1 (2026): January" : 4 Documents clear
Study of Gastropod Abundance and Diversity in Rajolelo Forest Park Bengkulu Province Khotimah, Sayyida Khusnul; Kasmiruddin; Apriniarti, Mega Sari
ISEJ : Indonesian Science Education Journal Vol. 7 No. 1 (2026): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v7i1.2009

Abstract

Gastropods are a group of mollusks that play a crucial role in maintaining the balance of aquatic and terrestrial ecosystems through decomposition and as components of the food chain. This study aimed to analyze the diversity, abundance, dominance, and similarity of gastropod communities in the Rajolelo Grand Forest Park, Central Bengkulu. The study was conducted from November 2025 to January 2026 using the Visual Encounter Survey (VES) method combined with transects in two habitat types: an artificial lake and secondary forest. The data obtained were analyzed using the Shannon-Wiener diversity index, Simpson dominance index, relative abundance, and community similarity index. The results showed nine gastropod species from several families distributed across both study habitats. The artificial lake habitat had a higher number of individuals with certain species dominating, while the secondary forest habitat showed a more even community composition. These differences in community structure are related to habitat conditions, food source availability, and environmental factors such as temperature, pH, and humidity. In general, both habitats exhibit distinct yet complementary gastropod community characteristics in maintaining ecosystem balance in the Rajolelo Grand Forest Park area.
Morphometric Analysis of Gastropods in Jenggalu Mangrove Forest Tourist Park, Bengkulu Province Despiora, Zuhepti; Apriniarti, Mega Sari; Pariyanto
ISEJ : Indonesian Science Education Journal Vol. 7 No. 1 (2026): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v7i1.2011

Abstract

Gastropods are a group of mollusks that play an important role in the mangrove ecosystem as detritivores and part of the food chain. The presence and variation of gastropod body shape can be studied through a morphometric approach to determine the growth patterns and morphological characteristics of each species. This study aims to analyze the morphometrics of gastropods found in the Jenggalu Mangrove Forest Tourism Park, Bengkulu City and identify the types of gastropods found in the area. The method used in this study was the Visual Survey (VES) combined with the line transect method. Sampling was carried out directly using hand-picking techniques in the mangrove zone during tidal conditions. Morphometric measurements included shell diameter, shell length, shell height, opening height, spiral height, opening width, and shell weight using calipers and digital scales. The results showed that 8 species of gastropods from 7 families were found with a total of 46 individuals. The most common species found was Littoraria scabra. The relationship between shell length and weight showed a negative allometric growth pattern, where the increase in length was faster than the increase in weight. Based on the research results, it can be concluded that gastropods in the Jenggalu Mangrove Forest Tourism Park area have species diversity and morphometric variations that are influenced by the environmental conditions of the mangrove habitat.
Development of Augmented Reality-Assisted Flashcards to Improve Tenth-Grade Students’ Conceptual Mastery in Biology Oktafiani, Raicha; Aini, Alvia Syarifah; Kesumawardani, Aryani Dwi; Irwandani; Barata, Muhammad Farhan
ISEJ : Indonesian Science Education Journal Vol. 7 No. 1 (2026): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v7i1.2168

Abstract

The development of technology-enhanced instructional media is increasingly important in biology education, particularly for topics that require students to understand abstract ecological processes. This study aimed to develop augmented reality-assisted flashcards and examine their feasibility and effectiveness in improving tenth-grade students’ conceptual mastery of ecosystem components and interactions. The study employed a Research and Development design using the ADDIE model, which consists of analysis, design, development, implementation, and evaluation. The participants involved material experts, media experts, language experts, biology teachers, and tenth-grade students at SMA Negeri 15 Bandar Lampung, Indonesia. Data were collected through needs analysis questionnaires, expert validation sheets, student response questionnaires, and pre-test and post-test measures of conceptual mastery. The product was developed using Canva and Assemblr Edu to integrate printed flashcards with interactive three-dimensional augmented reality objects. The validation results indicated that the media was highly feasible, with scores of 87.06% from media experts, 89.16% from material experts, and 86.60% from language experts. The effectiveness test showed that students in the experimental class achieved a higher N-Gain score than those in the control class, with an N-Gain of 0.82 in the high category compared with 0.50 in the moderate category. The independent-samples t-test also indicated a statistically significant difference between the two groups, with a significance value of 0.000. These findings suggest that augmented reality-assisted flashcards are feasible and effective as an innovative instructional medium for supporting conceptual mastery in biology learning. The study implies that integrating printed visual media with interactive digital objects can strengthen students’ understanding of abstract biological concepts and provide a more engaging learning experience.
Development of a Higher-Order Thinking Skills Assessment Instrument Using Socioscientific Issue Contexts on Chemical Solutions Rosawati, Ervita Eka
ISEJ : Indonesian Science Education Journal Vol. 7 No. 1 (2026): January
Publisher : Yayasan Darussalam Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62159/isej.v7i1.2227

Abstract

This study aimed to develop a HOTS assessment instrument using socioscientific issue contexts related to chemical solutions for Senior High School students. The HOTS assessment instrument was developed through five stages: preliminary study, item development, validation, trials, and implementation. The result of this development was a valid and reliable instrument consisting of 35 multiple-choice and 5 essay questions with 9 SSI contexts. The results were analyzed using the Partial Credit Model for Rasch modeling to examine the feasibility of the instrument. The validity and reliability of the assessment instrument were established by the item and person reliability, item and person separation, Alpha Cronbach value, item validity in the form of the infit value and the outfit MNSQ, Pt-measure correlation value, and unidimensionality. The developed assessment instrument provides a feasible tool for measuring students’ higher-order thinking skills in chemical solution topics using socioscientific issue contexts.

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