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Application of Mnemonics Learning Strategies with Cooperative Learning Models to Improve Mastery of Human Digestive System Concepts: Class VIII H Students of SMP Negeri 5 Kendari

This study aims to determine the mnemonics learning strategy in increasing the mastery of the concept of the human digestive system through a direct learning model for Class VIII H students of SMP Negeri 5 Kendari. This research was conducted in class VIII H at SMP Negeri 5 Kendari, the odd semester of the 2019/2020 academic year, to be exact, from October to November 2019. The total number of students is 35 consisting of 20 female students and 15 male students. This classroom action research procedure consists of 2 (two) cycles. Each cycle is carried out by the indicators to be achieved from the factors being investigated, which are carried out in stages: (1) planning; (2) implementation of the action (action); (3) Observation and Evaluation (observation and evaluation); and (4) reflection. The results showed that direct learning methods applied through mnemonics techniques could improve students' mastery of learning concepts in human digestion material, which was reflected in the results of evaluating participation, cooperation, ability, and making conclusions have increased.
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Improving Students' English Speaking Ability Through Free Story Method with Picture Card Media

This study addresses students' problems related to their low ability to speak English in class IX-A of SMPN 17 Kep. Masaloka Raya. This study uses the Free Story method with picture card media. The design of this research is classroom action research which is carried out for two cycles. The results showed that in the first cycle, there were 18 students (66.67%) whose speaking ability scores were equal to or above the KKM, and there were nine students (33.33%) whose scores were below the KKM. Because these results do not meet the success criteria that have been set, namely, at least 85% of students have a score equal to or above the KKM, the research continues in the next cycle by first revising some learning steps that are considered not too maximal. The research results in Cycle II showed that there were 26 students (96.30%) whose scores were equal to or above the KKM, and there was one student (3.70%) whose scores were still below the KKM. With the achievement of the success targets that have been set, it can be concluded that the use of the Free Story method with picture cards media succeeded in improving the speaking ability of Class IX A students at SMPN 17 Kp. Masaloka Raya.
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Improve Students Problem-Solving Skills in Science Subjects on Environmental Pollution in Class VII Junior High School Through Problem Based Learning

This study aims to determine: students' problem-solving abilities on environmental pollution material using problem-based learning and regular learning in class VII Junior High School, obtaining information about student attitudes during problem-based learning, examining student activities on problem-based learning, and obtaining information about management of teacher teaching and learning activities on problem-based learning. This research is an experimental study at SMP Negeri 1 Sampara, with the population as the subject being all students of SMP Negeri 1 Sampara and taking 2 samples of class VII randomly from 4 existing classes. To obtain research data, instruments were used in the form of problem-solving ability tests, student attitude scales, student learning activity observation sheets, problem-based learning management observation sheets. To see the difference in problem-solving abilities between groups of students who received problem-based learning and groups of students who received regular learning, the t-test was used at= 0.05 after the testing prerequisites were met. The results of this study indicate that (1) the problem-solving ability of the group of students who received problem-based learning was better than the group of students who received conventional learning; (2) students' attitudes in the experimental group towards problem-based learning were positive; (3) problem-based learning has created conditions for active students; (4) the teacher's ability to manage problem-based learning activities is good.
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