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This research aims to determine the effect of the Problem Based Learning (PBL) learning model on social studies learning outcomes for Class V Elementary School in Gugus Sumberarum, Kapanewon Moyudan, Sleman Regency. This research is pre-experimental research, with a quasi experimental research design. The population in this study consisted of VA and VB classes with 52 students. Sampling used the Simple Random Sampling technique to select the VA class with 20 students as the experimental class and the VB class with 20 students as the control class. The test instrument used is a learning outcomes test. Data is described and analyzed using descriptive statistics and inferential statistics. The results of the research show that the value of learning outcomes before implementing the Problem Based Learning (PBL) learning model based on Tri Nga teachings obtained an average value of 67.6. After implementing the Problem Based Learning (PBL) learning model based on Tri Nga teachings, the average score rose to 85.35. The results of the significance test obtained a Sig value. (2-tailed), namely 0.00 < 0.05, it can be said that there is a significant difference between the control class and the experimental class, so it can be said that H0 is rejected and H1 is accepted. Based on these results, it can be said that there is a positive influence of the application of the Problem Based Learning (PBL) learning model based on Tri Nga teachings on social studies learning outcomes in class V elementary school in Gugus Sumberarum

In this research, there were obstacles or problems with students' activities and learning outcomes in less than optimal science content. The reason is due to a lack of skills in gathering information, still using conventional approaches, and one-way learning. The proposed solution is to apply a combination model of PBL, TGT, and Picture and Picture. The purpose of this research was to determine the activities and learning outcomes of grade 5 students at SDN Teluk Tiram 2 Banjarmasin, of which there were 20 students, including 7 boys and 13 girls. This research applies the PTK method and also uses qualitative and quantitative approaches. Qualitative data was obtained from teacher and student observations, while quantitative data came from personal written tests to evaluate student learning outcomes. The research results showed that teacher activity at meeting 4 reached 94% with the criteria "very good". Meanwhile, student activity reached 90% and student learning outcomes had reached the success indicator, namely a score of ≥81. Thus, this combination of models can effectively overcome this problem.

Based on the findings of class VIII junior high school students, the results showed that class VIII students were still minimally introduced to scientific work, in accordance with the Science Education Content Standards, scientific work is an important characteristic of science learning subjects and of the 26 students the level of mastery of the material only reached 26.93. %. Identifying the problems raised, the author tries to improve learning by conducting research applying the Direct Instruction (DI) Model. Based on the learning results during the learning activities, the author formulates the problems that arise and discusses them with supervisor 2 to find the causes and problems identified above. The problem in improving this learning is formulated as follows: Can the Application of the Direct Instruction (DI) Model Improve Learning Outcomes in Science Learning Material on Plant Structure and Function in Class VIII Odd Semester of SMP Negeri 1 Simpang Teritip for the 2022/2023 Academic Year? From the improvement activities of Cycle I, the following results were obtained: 3 students who got a score less than 40 - 55 (11.54%), 10 students who got a score greater than 56 - 66 (38.46%) and There were 13 students who got a score greater than 67 – 79 (50.00%). In cycle II, there were 9 students who got a score less than 56 - 66 (34.62%), 16 students who got a score greater than 67 - 80 (61.54%), students who got a score greater than 81 – 100 as many as 1 person (3.84%). In Cycle III, it showed that of the 26 students studied, 3 people (11.54%) got a score of less than 75, while 23 students got a score of more than 75 (88.46%). The average student score increased by 86.15 - 73.46 = 12.69. Increased 12.69% compared to cycle II. The conclusion from writing this PTK is that the correct application of the Direct Instruction (DI) Model can improve learning outcomes.

Based on observations made by researchers in science learning in class VII of SMP Negeri 1 Simpang Teritip, there are still many weaknesses in the implementation of science learning. Teachers are less likely to involve students in the learning process, but teachers are more likely to use lectures that only require memory and memorization without developing insight into thinking and problem solving which allows students to learn more actively. The level of mastery of material by students is still low as evidenced by the learning results of 25 students with KKM (Material Completeness Criteria) > 75, there are 13 students or 55.56% of students who got a score below the KKM with a minimum score of 50. Based on the background that has been explained, then the problem formulation is obtained as follows. Can the use of the Discovery Learning model improve science learning outcomes regarding the interaction of living things with the environment for class VII students at SMP Negeri 1 Simpang Teritip? Implementation time for Strengthening Teaching Skills starts from March 28 2022 until 2022. June 5 2022 in the second semester of the 2021/2022 academic year. The results of Cycle 1 learning improvement showed the following results: 16 students got a score of less than 75, 11 students got a score greater than 75, and the student completion rate was 40.74%. In Cycle 2 there were 12 students who got a score less than 75, 15 students got a score greater than 75, and the student completion rate was 55.56%. In cycle 3, 2 students got a score less than 75, 25 students got a score greater than 75, and the student completion rate was 92.59%. The conclusion from writing this PTK is that the application of the recitation method using image media appropriately can improve learning outcomes.