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Journal : Jurnal Pendidikan MIPA

Enhancing Science Literacy and Collaboration Skills Through the RADEC Learning Model in Junior High Schools Sofira, Anis; Rahayu, Rina; Trisnowati, Eli
Jurnal Pendidikan MIPA Vol 26, No 3 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i3.pp1852-1869

Abstract

Collaboration and science literacy skills are key indicators in the current learning era. Collaboration trains students to actively engage and make decisions together, while science literacy equips them to think critically and face the challenges of the Industrial Revolution. However, in reality, both skills remain below average among students. This gap highlights the need for an effective learning model to address the problem. Several studies have shown that the Read, Answer, Discuss, Explain, and Create (RADEC) learning model can improve these abilities through a structured and student-centered approach. The objectives of this study are to analyze the effectiveness of the RADEC learning model in improving students' science collaboration and literacy. This research used a quasi-experimental nonequivalent control group design. The sample consisted of class VIII C (experimental) and VIII D (control), selected through purposive sampling. Data were obtained from a collaboration skills questionnaire and students’ pretest and posttest scores to assess improvements in science literacy skills. The results showed that (1) the RADEC model is effective in improving students' science collaboration skills from the t-test with sig (2-tailed)-value is less than 0.05 which means that the structured RADEC model can facilitate the development of affective and cognitive aspects to create a high collaborative learning environment and (2) the RADEC model is effective in improving students' science literacy skills from the t-test with sig (2-tailed)-value is less than 0.05 which means that the RADEC model through its stages is able to build better conceptual understanding to develop students' science literacy significantly. This study concludes that the RADEC learning model is effective in improving the science collaboration skills and science literacy of junior high school students.    Keywords: RADEC, science collaboration skill, science literacy.
Enhancing Scientific Literacy under the PISA 2025 Framework: A Comparative Study of SQ3R and Discovery Learning Models Nurvidian, Alifia Rizky; Singgih, Suwito; Rahayu, Rina
Jurnal Pendidikan MIPA Vol 26, No 4 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i4.pp2766-2776

Abstract

Scientific literacy is a crucial skill for students to understand scientific phenomena and make informed decisions based on evidence. However, many Indonesian students still struggle with these skills, indicating unresolved issues in the classroom implementation of scientific literacy. This study aims to address this issue by examining the effectiveness of the SQ3R (Survey, Question, Read, Recite, and Review) learning model in improving junior high school students' scientific literacy skills compared to the Discovery Learning learning model. The research design was a quasi-experimental design with a control group, and a pretest and posttest were administered. This study involved 60 eight-grade students at SMPN 1 Mertoyudan. The experimental group consisted of 30 students who received instruction using the SQ3R method, while the control group consisted of 30 students who used the Discovery Learning method. Scientific literacy skills were measured using 13 questions, which were tested for validity and reliability (α=0.935) based on the PISA 2025 science competency framework. Pretest and posttest data were analyzed using N-Gain scores and independent sample t-tests. The study showed that the SQ3R group demonstrated greater improvement in scientific literacy skills than the Discovery Learning group. The experimental group’s average score jumped from 38 on the pretest to 83 on the posttest, with an N-Gain of 0.72, which is considered high. Meanwhile, the control group’s score rose from 36 to 70, with an N-Gain of 0.52, which is considered moderate. An independent-samples t-test confirmed a significant difference between the two groups (p < 0.001). This study shows that the SQ3R learning model is superior to Discovery Learning in improving students’ scientific thinking, reading comprehension, and critical evaluation of information, essential components of scientific literacy. The structured SQ3R approach encourages active student participation and a regular observation process, making it an effective strategy for improving scientific literacy at the junior high school level.    Keywords: scientific literacy, junior high school, SQ3R, science competency, reading strategy.