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All Journal AMPLITUDO: Journal of Science & Technology Innovation
Azlan Kamari
Sultan Idris Education University
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture

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Development and Usability Perceptions of Spectral Crime Analysis Network Game with Augmented Reality for Ultraviolet-Visible Light Spectroscopy Abbas Ali Iftikhar Hussain; Azlan Kamari; Frendi Ihwan Syamsudin; Lenni Khotimah Harahap; Sulistyo Saputro; Antuni Wiyarsi; Adulsman Sukkaew
AMPLITUDO : Journal of Science and Technology Innovation Vol. 5 No. 1 (2026): February
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/amplitudo.v5i1.517

Abstract

The Spectral Crime Analysis Network (SCAN) game was developed using the ADDIE model, used a hybrid augmented reality embedded game-based learning approach and aligned with the learning standards of ultraviolet–visible (UV–Vis) spectroscopy. This game is developed as a learning and reinforcement tool in analytical chemistry instrumentation for undergraduate chemistry students. Based on a survey study conducted on 265 respondents, it was found that the SCAN game demonstrated high usability with mean scores of 3.49 (SD = 0.489) for usefulness, 3.49 (SD = 0.474) for ease of use, 3.48 (SD = 0.504) for ease of learning and 3.53 (SD = 0.476) for satisfaction. Overall, SCAN supports cooperative, technology-enhanced game-based learning, fostering greater interactivity and engagement in chemistry education. This innovation is aligned with the United Nations' Sustainable Development Goal number 4 (SDG4), which is quality education that utilises technology and interactive 21st-century learning.
Development and Validation of a Learning Independence Instrument for Chemistry Education Using Exploratory and Confirmatory Factor Analysis Feri Andi Syuhada; Eli Rohaeti; Hari Sutrisno; Azlan Kamari; Rasamimanana Joronavalona
AMPLITUDO : Journal of Science and Technology Innovation Vol. 5 No. 2 (2026): August
Publisher : Balai Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56566/amplitudo.v5i2.792

Abstract

This study aimed to develop and validate a short-form instrument for assessing students’ learning independence in chemistry education among senior high school students using Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA). A quantitative survey was conducted involving 131 twelfth-grade science students from two public senior high schools in Sleman Regency, Indonesia, selected through random sampling. Data were collected using a 40-item questionnaire measured on a five-point Likert scale, with the items designed to assess students’ independence in managing, engaging in, and taking responsibility for their chemistry learning, and analyzed using EFA and CFA. The EFA, conducted using JASP version 0.95.4, identified a four-factor structure consisting of self-management, motivation, responsibility, and self-confidence and reduced the initial instrument to 34 items with factor loadings above 0.40. Subsequent CFA further refined the instrument into a parsimonious 14-item version with standardized factor loadings exceeding 0.50, indicating acceptable construct validity. Reliability analysis demonstrated acceptable construct reliability (CR > 0.60, ranging from 0.64 to 0.78). The average variance extracted (AVE) values ranged from 0.41 to 0.49, with self-management, motivation, and responsibility each obtaining an AVE value of 0.41, while self-confidence reached 0.49. Although these AVE values indicated marginal convergent validity, the constructs remained acceptable when evaluated alongside their adequate CR values. The findings suggest that the final 14-item instrument provides acceptable psychometric evidence and offers an empirically supported measure for assessing senior high school students’ learning independence in chemistry education, although further validation in broader chemistry-learning populations and educational settings is recommended
Co-Authors Abbas Ali Iftikhar Hussain Adulsman Sukkaew Antuni Wiyarsi Eli Rohaeti Feri Andi Syuhada Frendi Ihwan Syamsudin Hari Sutrisno Lenni Khotimah Harahap Rasamimanana Joronavalona Sulistyo Saputro