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All Journal QUANTUM: Jurnal Inovasi Pendidikan Sains Jurnal Penelitian Pendidikan IPA (JPPIPA)
Ayu Tri Khodizah
Lambung Mangkurat University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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Development of Smart Ethno-STEM (System of Mobile Augmented Reality Technology) in Organic Chemistry to Enhance Students’ Metacognitive Skills and Scientific Literacy Yogo Dwi Prasetyo; Ayu Tri Khodizah; Novan Alkaf Bahraini Saputra
Jurnal Penelitian Pendidikan IPA Vol 11 No 12 (2025): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i12.12998

Abstract

Learning in Stereochemistry still tends to lack contextualization and the integration of technology and ethnosciences. This study aims to develop and evaluate Smart Ethno-STEM (System of Mobile Augmented Reality Technology) as an innovative learning medium in organic chemistry, particularly on stereochemistry topics, to enhance students’ metacognitive skills and scientific literacy. The research employed a Research and Development (R&D) design using the ADDIE model, involving validation, practicality, and effectiveness testing. The data were analyzed using descriptive validation and practicality scores, N-Gain, and MANOVA analysis. Validation results from one media expert and two material experts indicated that the media was categorized as highly valid (average score 4.46). Practicality tests conducted with 16 students showed a very practical use (average score of 4.75). The effectiveness test showed significant improvements in both metacognitive skills and scientific literacy, with N-Gain scores in the high category in the experimental group (metacognition 0.75; literacy 0.72) and in the medium category in the control group (metacognition 0.59; literacy 0.57). MANOVA results confirmed a significant influence of the class factor on both variables simultaneously (Sig. Hotelling’s Trace = 0.013). These findings demonstrate that Smart Ethno-STEM effectively enhances students’ higher-order thinking skills and connects scientific concepts with socio-cultural contexts, offering a contextual and technology-based solution for organic chemistry learning
Enhancing Students’ Science Process Skills Through PjBL in Acid-Base Titration Experiment Ayu Tri Khodizah; Ni Pt. Pande Mirah Surya Dewi; Indah Langitasari; Irah Namirah
QUANTUM: Jurnal Inovasi Pendidikan Sains Vol 16, No 2 (2025): Oktober 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/quantum.v16i2.21638

Abstract

Science process skills (SPS) are essential competencies in 21st-century education. This study aimed to evaluate the effectiveness of the Project-Based acid-based titration project. A pre-experimental one-group pretest-posttest design was applied to 32 high school students in Serang City. Instruments included observation sheets and 28 essay items, validated by 10 experts using CVR (38 items retained, CVR ≥ 0.62) and tested for reliability (Cronbach's alpha = 0.542). Data were analyzed using the Shapiro-Wilk test, paired sample t-test, N-Gain, and effect size. Results showed a significant improvement in SPS, with pre- and post-test mean scores increasing from 40.00 to 74.34. The t-test yielded t(31) = -21.417, p < 0.001, and effect size was high (μ = 0.97). N-Gain analysis indicated moderate improvement in most indicators—such as planning steps (0.63), identifying patterns (0.65), and applying concepts (0.63)—but low gains in hypothesizing alternatives (0.04) and interpreting graphs (0.15). These findings suggest that PjBL is an effective strategy for developing SPS in practical chemistry contexts, preparing students for scientific reasoning and inquiry in the industrial era 4.0.
Co-Authors Indah Langitasari Irah Namirah Ni Pt. Pande Mirah Surya Dewi Novan Alkaf Bahraini Saputra