CD Skripsi
pengembangan e-lkpd berbasis problem based learning (pbl) terintegrasi berpikir kritis pada materi sistem ekskresi manusia kelas xi sma
In the 21st century, one of the competencies that students must have is critical thinking skills. This is in line with the national education objectives in the Merdeka Curriculum, which states that critical thinking skills need to be developed. Through biology education, critical thinking skills can be integrated into learning because biology education encompasses facts, laws, and principles of the scientific process, which require problem-solving processes. Following a pre-survey conducted by teachers for biology education in the 11th grade of senior high school during the second semester, students identified the material on the human excretory system as particularly challenging to teach and understand due to its complexity and abstract nature. In the Learning Outcomes (CP) of the Merdeka Curriculum, the material on the human digestive system is included in Phase F of grade XI/even semester. At the end of Phase F, students should be able to analyze the relationship between the structure of organs in the organ system and their functions, as well as abnormalities or disorders that may arise in that organ system. This LOB has the code 11.7 in the Learning Objective Sequence (LOS), which requires students to be able to analyze the relationship between the structures of the organs in the human excretory system and their functions, explain the process of urine formation, explain the process of sweat secretion control, analyze disorders in the human excretory system, and analyze appropriate technologies in the human excretory system.
To date, the teaching materials used by teachers to develop critical thinking skills have been simple and insufficient, necessitating the development of materials that support the integration of critical thinking skills among Grade 11 high school students in the study of the human excretory system. The E-LKPD development product is expected to integrate critical thinking skill indicators into student learning. This teaching material has advantages, making the presentation and delivery engaging and focused on the material/issues presented.
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The E-LKPD development research on the human excretory system material based on PBL integrated with critical thinking in the human excretory system material for 11th grade high school students was conducted at the Biology Education Department of the Faculty of Teacher Training and Education, University of Riau, State High School 2 Pekanbaru, and State High School 12 Pekanbaru from January to May 2025. This research is a development study using the ADDIE model. The study was carried out up to the Development stage. The critical thinking skills developed consist of four indicators: interpretation, analysis, inference, and explanation.
The developed E-LKPD was then validated by two Biology Education lecturers. Seven aspects were evaluated during the validation stage: the software used, overall appearance, presentation, content, language and communication, the Problem-Based Learning (PBL) model, and critical thinking. The development of the E-LKPD achieved a validation score of 3.51, meeting the criteria for “highly valid.”
The limited pilot test phase I, conducted using a response questionnaire administered to 10 sixth-semester Biology Education students at the Faculty of Education and Teacher Training, University of Riau, yielded a limited pilot test phase I score of 3.59, meeting the criteria for “very good.” The results of the limited trial phase II using a response questionnaire conducted on 2 biology teachers from SMAN 2 Pekanbaru and SMAN 12 Pekanbaru, as well as 30 students from class XI of SMA Negeri 2 Pekanbaru, obtained scores of 3.8 and 3.79 with the criteria of very good. Based on the practicality test results, an average score of 3.72 was obtained, meeting the criteria for “very good/practical.” The quality of the E-LKPD achieved an average score of 3.61, meeting the criteria for “very good.” It can be concluded that the E-LKPD on the human excretory system based on Problem-Based Learning (PBL) integrated with critical thinking in the human excretory system curriculum for Grade XI high school students is of very good quality and can be implemented on a large scale.
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