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All Journal International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia
S Utari
Departemen Pendidikan Fisika, Universitas Pendidikan Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Mathematics Physics

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Application of the scientific approach to improve the mastery of concepts and science process skills of high school students on work and energy S Ramayanti; S Utari; D Saepuzaman
International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia Vol 3 (2018): Promoting 21st Century Skills Through Mathematics and Science Education
Publisher : Pascasarjana Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (573.137 KB)

Abstract

Mastery of concepts is one of important things to measure achievement of the learning objectives. In mastering the concept of physics, process skills are required. The research used pre-experimental design with one group of pretest-posttest design which aimed to get an overview of improvement of mastery of concepts and science process skills on work and energy after the application of scientific approach in learning. The research instrument consisted of 19 items of concept mastery test shaped the essay, referring to revised Bloom's taxonomy with a reability of 0.64 and student worksheet to measure the students’ science process skills referring to the worksheet developed by Rezba. The instrument is applied to 32 nature students of grade 11 in one of the senior high schools in Bandung which is selected by purposive sampling. The measured concept mastery aspects are related to cognitive aspects based on Bloom's Taxonomy which consists of the aspects of understanding (C2), applying (C3), and analyzing (C4). The measured science process skills aspects consisted of identifying variables, predicting, constructing hypotheses, and experimenting. The results showed that there were an increase in concept mastery with a normalized gain value of 0.48 and science process skills from a fair to excellent level.
Students’ profile metacognition in rasch analysis and students’ problem solving ability A E Kustanto; S Utari
International Conference on Mathematics and Science Education of Universitas Pendidikan Indonesia Vol 3 (2018): Promoting 21st Century Skills Through Mathematics and Science Education
Publisher : Pascasarjana Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (640.786 KB)

Abstract

This study aims to obtain a description of the students’ ability profile in solving problems and students’ metacognition by using Rasch analysis. This research is considered important as the initial research to find ways to improve students' ability in solving problems through students’ metacognition knowledge. This descriptive study uses a population of students of class XII who have studied the eyes of effort and energy with the number of 180 students with sampling through random cluster side which amounted to 28 people side. The problem-solving skill refers to the rubrics developed by Doctor and the metacognition knowledge observed refers to a rubric developed by Taasoobshirazi,The results showed that most of the students have not used systematic steps in solving the problem. Some metacognitive knowledge is congruent with planning, information management, and conceptual knowledge needs to be improved to support problem-solving skills.
Co-Authors A E Kustanto D Saepuzaman S Ramayanti