V. Vidyawati, P. Sinaga, L. Hasanah
This research aims to determine the improvement of problem-solving skills and skill level in solving problems on the business and energy topic of high school students. The research method used is the quasi-experiment with a post-test control group pre-test design. The subject for this study amounted to 60 SMA grade X students at one of the schools in Bandung which was determined by purposive sampling. The instrument used is a matter of essay based on problems in everyday life. Measurement of problem-solving capability is a pre-test and post-test corresponding to the Multiple-ways of the Rosengrant indicator. Data analysis uses the percentage of average gain in normalization and interacting with hake criteria. After the study, there was an increase in problem-solving skills with moderate criteria, with an <g> N-gain normalization rate of 0.49. The results showed improved problem-solving skills at each level. Copyright © 2020 EAI
Departemen Pendidikan Fisika, Universitas Pendidikan Indonesia, Indonesia; Departemen Pendidikan Ilmu Pengetahuan Alam, Universitas Pendidikan Indonesia, Indonesia
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