Development of e-modules of basic laws of chemistry based on problem based learning to improve critical thinking skills

Leny Leny; Wahidah Wahidah; Mahdian Mahdian; Muhammad Kusasi

doi:10.21831/jitp.v11i4.72576

Development of e-modules of basic laws of chemistry based on problem based learning to improve critical thinking skills

Leny Leny, Universitas Lambung Mangkurat, Indonesia
Wahidah Wahidah, Universitas Lambung Mangkurat, Indonesia
Mahdian Mahdian, Universitas Lambung Mangkurat, Indonesia
Muhammad Kusasi, Universitas Lambung Mangkurat, Indonesia

10.21831/jitp.v11i4.72576

Abstract

Critical thinking is an important aspect of the skills expected in 21st century learning, especially in the context of chemistry learning. Based on preliminary studies that have been carried out, critical thinking skills are still little practiced in the learning process, and the teaching materials used are still only a few that relate daily life problems to the material. The purpose of this study was to evaluate the validity, practicality, and effectiveness. The ADDIE model was used as the method of this research, 36 students of class X-E of SMAN 5 Banjarmasin were the subjects of the development research. Data were collected with test and non-test instruments. Analysis of validity, practicality and effectiveness were the analysis techniques used in this study. The findings of this study are that the e-module has a very high level of validity which is 94.93, very practical with a practicality score of 84.46 and effective with an N-Gain of 81.15.

Keywords

Basic laws of chemistry; problem-based learning; critical thinking skills

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DOI: https://doi.org/10.21831/jitp.v11i4.72576