R. Chairunnisa, W. Wahyu, W. Sopandi
This study describes chemical learning in junior high school through Project Based Learning (PjBL). Learning through Project Based Learning (PjBL) can help students reduce learning difficulties, both in academic performance, motivation (self-efficacy and task value in terms of environmental studies) and group work (acceptance in groups and involvement in the learning process). In order to be able to attend learning well, students must have cognitive abilities, because it is one aspect of child development that must be stimulated by their abilities early. Therefore, this study aims to develop students' cognitive abilities through the design of Project Based Learning (PjBL) on the topic of natural dyes. The researcher used the Greivemeijer & Cobb Design-Based Research (DBR) research method consisting of 3 phases namely Preliminary Design, Design Experiment and Retrospective Analysis. Participants in this study were 25 class VIII students, science teachers and 3 observers who understood the PjBL design. Based on the results of the study, the PjBL design can improve students' cognitive abilities. Understanding (C2) obtaining an average of 59.59% (sufficient category), applying (C3) obtained an average of 66.66% (good category), analysed (C4) obtained an average of 58.58% (sufficient category). The highest cognitive ability of students is in the ability to remember, while the lowest is in the ability to analyse. © 2020 Published under licence by IOP Publishing Ltd.
Departemen Pendidikan Kimia, Universitas Pendidikan Indonesia, Jl. Dr. Setia Budhi No. 229, Bandung, 40154, Indonesia
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