Pengembangan Lembar Kerja Peserta Didik (LKPD) Berbasis Problem Based Learning (PBL) pada Materi Sifat Koligatif Larutan Kelas XI SMA Negeri 1 Titehena

LEULALENG, Susana Oren (2025) Pengembangan Lembar Kerja Peserta Didik (LKPD) Berbasis Problem Based Learning (PBL) pada Materi Sifat Koligatif Larutan Kelas XI SMA Negeri 1 Titehena. Undergraduate thesis, Universitas Katolik Widya Mandira Kupang.

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Abstract

The material on the colligative properties of solutions is very closely related to everyday life, making it important for students to study this material. However, students encounter difficulties in conducting laboratory practicals due to a lack of equipment and materials. Chemistry education is not just about memorizing theories and concepts, but it also requires students to be able to think creatively during the learning process. To enhance students' creative thinking skills, innovation in the learning process is needed, specifically by developing student worksheets based on the material of colligative properties of solutions. The purpose of this study was to (1) To determine the validity of the Student Worksheet (LKPD) media based on Problem Based Learning (PBL) in chemistry learning on the Colligative Properties of Solutions material. (2) To determine the acquisition of learning outcomes in the knowledge aspect and skills aspect of class XI students of SMA Negeri 1 Titehena after using the Student Worksheet (LKPD) learning media based on Problem Based Learning (PBL) on the Colligative Properties of Solutions material. (3) To determine how students respond to the Student Worksheet (LKPD) media based on Problem Based Learning (PBL) that was developed. This type of research is research and development. The development model used is the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). The instruments used in this study were the Student Worksheet (LKPD) media validation sheet, the KI-3 and KI-4 aspect learning outcome sheet, and the student response questionnaire sheet. The sample in this study was 11 students of class XI Mia 2. The results of the study showed that (1) The Student Worksheet (LKPD) based on Problem Based Learning (PBL) developed by the researcher was declared very feasible/very valid (2) Student learning outcomes were declared complete with an average score of 95 (3) Student responses in learning using the Student Worksheet (LKPD) media based on Problem Based Learning (PBL) were included in the very good category with a percentage of 94%.

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