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Journal : Journal of Learning Improvement and Lesson Study

Analysis of biology students' problem-solving skills using the PBL model through Lesson Study (LS) online Wa Ode Nurhawa; Maria Rosalia Ijung Anggur; Raihanah Nur Agustanti; Herawati Susilo; Muntholob Muntholob; Balqis Balqis
Journal of Learning Improvement and Lesson Study Vol 1 No 2 (2021): JLILS (December Edition)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (285.402 KB) | DOI: 10.24036/jlils.v1i2.18

Abstract

Problem-based learning models train students to develop thinking and problem-solving skills in contextual circumstances. This research aims to analyze the problem-solving ability of 32 biology students in 2020 at Malang State University in the course of Plant Physiology. This study is a second-cycle action study using the PBL model through lesson study activities. Data analysis uses a problem-solving skills essay test consisting of identifying problems, identifying strategies, formulating hypotheses, evaluating potential, implementing solutions and evaluating results. The results showed that there was an increase in students' problem-solving ability from cycle I by 60.0% to 72.0% in cycle II and there were several indicators that experienced an increase in scores, namely indicators identifying strategies, formulating hypotheses, implementing solutions, and evaluating results. But the indicator score identifies the problem, and implements the solution decreases.
Teaching plant physiology to prospective biology teachers: How do we deal with Lesson Study-Problem based Learning (LS-PBL) to enhance scientific argumentation skill? Maisuna Kundariati; Herawati Susilo; Balqis Balqis
Journal of Learning Improvement and Lesson Study Vol 1 No 2 (2021): JLILS (December Edition)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (575.527 KB) | DOI: 10.24036/jlils.v1i2.19

Abstract

Argumentation has been widely discussed in science education for many years. Argumentation is a part of science, to make a statement and claim, justifying the claim, and supporting it with the data. Science education need to be integrated with scientific argumentation empowerment. LS-PBL can be one way to empower argumentation skills. The aims of this study is to determing prospective biology teachers’ science argumentation skill through Lesson Study-Problem based Learning (LS-PBL). This research was conducted on 30 prospective biology teachers at Biology Department Universitas Negeri Malang. Research participants are prospective biology teachers who are taking Plant Physiology course during their 3rd semester. The learning implementation was carried out in a blended learning. Lesson study activities carried out consist of three activities, namely, plan, do, and see. The instruments used are essay tests of scientific argumentation skills, chapter design, lesson design, lesson plans, and worksheets. Data analysis used quantitative descriptive analysis. The results showed the average value of the argumentation obtained in the first week was 45.33 (moderate), the second week was 50.00 (moderate), and the third week was 56.00 (moderate). The percentage of the frequency of each level of scientific argumentation decreased with each test at levels 1 and 2, while levels 3 and 4 increased. However, there is no level 5 argumentation found in tests 1, 2, and 3. An increase in argumentation skills can occur due to the application of PBL which is integrated with LS. The PBL learning model accommodates prospective biology teachers to construct their arguments, while lesson study is useful for improving the learning process so that learning activities increase from week to week and what is lacking can be improved. LS-PBL can be used as a professional tool to improve the learning process and empower argumentation skills.