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ACCELERATION: Multidisciplinary Research Journal
Published by PT. Akselerasi Karya Mandiri
ISSN : 30260159     EISSN : 29869269     DOI : https://doi.org/10.70210/amrj
Core Subject : Health, Science, Education, Social,
Computer Science & IT Education Languange, Linguistic, Communication & Media Public Health Social Sciences
Acceleration: Multidisciplinary Research Journal (AMRJ), p-ISSN: 3026-0159, e-ISSN: 2986-9269. Focus and Scope in Acceleration: Multidisciplinary Research Journal are: History Education Law Agriculture Engineering Nutrition Psychology Teaching Religious Studies Linguistics Geography Literature Politics, etc.
Arjuna Subject : Umum - Umum
Articles 62 Documents
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ENHANCING EFL READING COMPREHENSION SKILLS THROUGH PROBLEM-BASED LEARNING: EVIDENCE FROM STUDENT ENGAGEMENT AND STRATEGY USE Ayiz, Abdul; Yudhi Nugroho, Kurniawan
Acceleration: Multidisciplinary Research Journal Vol. 3 No. 3 (2025): Acceleration: Multidisciplinary Research Journal
Publisher : PT Akselerasi Karya Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70210/amrj.v3i3.162

Abstract

Reading comprehension remains one of the most essential yet challenging skills for English as a Foreign Language (EFL) learners. Traditional reading instruction often emphasizes teacher-centered approaches that limit students’ active involvement in meaning-making. This study investigates the impact of Problem-Based Learning (PBL) on enhancing EFL students’ reading comprehension skills, engagement, and strategy use. A quasi-experimental design was employed with two groups of undergraduate EFL learners: an experimental group (n = 35) receiving PBL-based reading instruction and a control group (n = 35) taught through traditional teacher-led methods. Data were collected using a reading comprehension test, an engagement questionnaire, and a reading strategies inventory. Results revealed that the PBL group achieved significantly higher post-test scores than the control group, indicating improved reading comprehension performance. Moreover, PBL fostered greater behavioral, emotional, and cognitive engagement, alongside the increased use of higher-order reading strategies such as inferencing, summarizing, and critical questioning. These findings suggest that PBL provides a more interactive and meaningful framework for teaching reading, enabling learners to become active participants in constructing textual meaning. The study highlights pedagogical implications for EFL educators, recommending the integration of real-world problems into reading instruction to enhance comprehension outcomes.
Experimental Test of Flexural Strength of Green Concrete Using 0%, 10%, 30% Waste Tire Rubber Powder as a Substitute for Fine Aggregate Nugroho, Guntur
Acceleration: Multidisciplinary Research Journal Vol. 3 No. 3 (2025): Acceleration: Multidisciplinary Research Journal
Publisher : PT Akselerasi Karya Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70210/amrj.v3i3.155

Abstract

The increasing demand for sustainable construction has driven the development of green concrete incorporating recycled waste materials. This study investigates the flexural strength of concrete partially substituting fine aggregate with waste tire rubber powder at 0%, 10%, and 30% replacement levels. Concrete beams measuring 150 mm × 150 mm × 600 mm were cast and tested at 28 days using third-point loading in accordance with ASTM C78. The experimental results show that the 10% rubber powder mix achieved the highest flexural strength, with a 52.5% increase compared to the control. In contrast, the 30% mix exhibited a moderate reduction in strength. Despite the slight decline at higher replacement levels, all mixes retained acceptable structural performance and workability without chemical admixtures. The findings suggest that partial substitution of fine aggregate with rubber powder up to 10% can enhance flexural behavior while promoting environmentally friendly concrete solutions.

Page 7 of 7 | Total Record : 62

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