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Enny Susiyawati
Program Studi S1 Pendidikan IPA, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Surabaya
Education Mathematics Other

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PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN KEMAMPUAN PESERTA DIDIK MEMECAHKAN MASALAH PADA MATERI ZAT ADITIF Devina Tri Yuliana; Enny Susiyawati
JURNAL PENDIDIKAN DAN KEGURUAN Vol. 2 No. 5 (2024): Jurnal Pendidikan dan Keguruan
Publisher : CV. ADIBA AISHA AMIRA

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Problem-solving ability is one of the important abilities that students must have because, in everyday life, everyone is always faced with various problems that must be solved and requires creativity to be able to find solutions to the problems they face. The aim of this research is to obtain a description of the effectiveness of applying the Problem-Based Learning (PBL) learning model to additive substance material on students' ability to solve problems in terms of the results of increasing problem-solving abilities, the implementation of the PBL learning model, and responses. learners. This research method is quantitative with a quasi-experimental design. Data was collected using observation and test techniques. Observation techniques are used to ensure the learning process is carried out; test techniques are used to see improvements in problem-solving abilities; and for student responses, a questionnaire sheet is used. The results of the research showed that the effect size was 0.923, and the implementation of the learning process received a mode score of 4, which means it was implemented very well and received a positive response from students. Thus, it can be concluded that the problem-based learning model can be used to improve problem-solving abilities with indicators of understanding the problem, planning a solution, resolving the problem according to plan, and checking the results obtained again.
PENERAPAN PHET SIMULATIONS DALAM PENINGKATAN PEMAHAMAN KONSEP SISWA PADA MATERI HUKUM NEWTON Sevina Rizky Octavia; Enny Susiyawati
JURNAL PENDIDIKAN DAN KEGURUAN Vol. 3 No. 8 (2025): Jurnal Pendidikan dan Keguruan
Publisher : CV. ADIBA AISHA AMIRA

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The aim of this research is to describe the effect size of students' conceptual understanding and their responses to the use of PhET Simulations on Newton's Law material at SMP Labschool Unesa 1 Surabaya in the 2023–2024 academic year. With 32 students as a sample, this pre- experimental quantitative-descriptive approach was used. For this research, a one-group pretest-posttest design was used. Data collection techniques consist of tests and questionnaires. The first is used to measure how well students understand concepts about the material, and the second is used to find out how students respond to learning that has been carried out. The Wilcoxon test and effect size were used to assess student understanding. The research results show that understanding the concept of each indicator has an impact of 2,130. In addition, the effect value of each indicator is reviewed. Indicators in the Very Large category interpret and compare, with values of 1.02 and 1.495; indicators in the Large category classify and explain, with values of 0.591 and 0.879; and indicators in the Medium category provide examples, summarize, and draw inferences, with values of 0.354, 0.481, and 0.448. 81% of students responded to the PhET application with the criteria of strongly agreeing. The research results show that students understand the concepts better after using PhET Simulations on Newton's Law material
Co-Authors Devina Tri Yuliana Sevina Rizky Octavia