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Journal : Indo-MathEdu Intellectuals Journal

Pengaruh Pembelajaran Berdiferensiasi Proses dengan Model Problem Based Learning (PBL) Terhadap Kemampuan Berpikir Kritis Siswa di SMP Negeri 1 Candung Mailiyawati, Ghina; Lestari, Tuti; Arif, Khairil; Oktavia, Rani
Indo-MathEdu Intellectuals Journal Vol. 6 No. 4 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i4.3709

Abstract

The purpose of this article is to determine whether the effect of differentiated learning processes with the Problem Based Learning (PBL) model on students' critical thinking skills at SMP Negeri 1 Candung. The type of research used is quantitative using a quasi-experimental method with a Non-Equivalent Control Group Design. The differentiated learning process with the PBL model is applied to the experimental class while the control class uses conventional learning methods. The sampling technique is purposive sampling. The research instrument uses observation sheets, questionnaires and objective test questions. Data analysis uses normality tests, homogeneity tests and hypothesis tests. Based on the questionnaire, the implementation of differentiated learning processes with the Problem Based Learning model in the experimental class is 98.01%. The statistical analysis test in this study uses Microsoft Excel. Based on the results of the hypothesis test, the t count value is 2.240 and the t table is 2.001. So t count ≥ t table shows that there is a difference in the average between the experimental class and the control class. This means that there is a difference in the average critical thinking ability of students in the differentiated learning process with the PBL model at SMP Negeri 1 Candung. Meanwhile, students' responses to teachers in the learning process received a positive response from students of 94%.
Pengaruh Model Pembelajaran Somatic, Auditory, Visualization, Intellectual (SAVI) Terhadap Hasil Belajar Peserta Didik pada Materi Bumi dan Tata Surya Zulhanif, Halimatun Saqdiah; Lestari, Tuti; Yurnetti, Yurnetti; Wati, Fatma
Indo-MathEdu Intellectuals Journal Vol. 6 No. 4 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i4.3710

Abstract

This study is conducted against the backdrop of low student learning outcomes in science classes and the widespread use of teacher-centered learning approaches. This research aims to determine the effect of applyig the SAVI (Somatic, Auditory, Visualization, Intellectual) model on the learning outcomes of class VII students SMPN 1 Batusangkar. This research population includes all class VII students of SMPN 1 Batusangkar, and pusposive sampling was used to determine the sampel in the study. The instruments used in study are test instrumen in the form of multiple-choice questions and non-test instruments in the form of observation sheets. The generated data is analyzed quantitatively in a descriptive manner. According to the data analysis results, Ha was accepted and H0 was refused, The rejection of H0 was supported by the t-n-gain test, which show a t-count value of 3.17 ≥ t-table value of 1.99. This suggests that the learning outcomes of the two samples differ significantly, indicating that the SAVI model's application influences students' learning outcomes, especially when it comes to Earth and the solar system.
Pengaruh Penerapan Model Pembelajaran Read, Answer, Discuss, Explain and Create (RADEC) Terhadap Literasi Sains Peserta Didik Kelas VIII Idrus, Nur Istiqomah A.; Lestari, Tuti; Azzahra, Firda; Oktavia, Rani
Indo-MathEdu Intellectuals Journal Vol. 6 No. 6 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i6.4310

Abstract

The results of the Programme for International Student Assessment (PISA) show that the science literacy of students in Indonesia is still below the international average. A similar condition is also seen in the results of the Computer-Based National Assessment (ANBK) for eighth-grade students, which shows that science literacy skills have not been measured comprehensively. This study aims to determine the effect of the Read, Answer, Discuss, Explain, and Create (RADEC) learning model on the science literacy competence of eighth-grade students. This study is a quantitative study using a quasi-experimental method with a nonequivalent control group design. The research sample was determined using purposive sampling, involving one experimental class and one control class. The research instrument consisted of a 22-item multiple-choice science literacy test. Both groups were given pre-tests and post-tests to measure improvements in science literacy competence. The data were analyzed descriptively and quantitatively, with the results showing that Ha was accepted and H₀ was rejected. The t-test value showed that tcount 3.47 ≥ ttable 2.00, which was reinforced by the N-gain test results. These findings indicate a significant difference between the two groups, so it can be concluded that the application of the RADEC model has a positive effect on improving students' science literacy competency.