PENERAPAN MODEL COOPERATIVE LEARNING DALAM UPAYA PENINGKATAN PRESTASI BELAJAR PESERTA DIDIK MATERI PELAJARAN EKOSISTEM PADA KELAS X.5 MA NEGERI I METRO LAMPUNG TIMUR

The development of learning model from time to time continue to change. In line with the approach of Constructivism in learning, one of the learning models that is now a lot of response is a model of cooperative learning. Learning model that is applied related to student learning achievement. This study aims to analyze how the implementation of Cooperative Learning Model in an effort to improve learning achievement of learners on the concept of Ecosystem Learning Materials in students class X 5 semester Even East Negeri Lampung Metro Lampung. This research is a Classroom Action Research (PTK) which analyzed qualitatively and quantitatively by using field notes method as the main method, which then method of interview and documentation as supporting method in research. The field note method used by the writer to observe carefully the implementation of the action scenario from time to time, noting all the necessary and happening during the implementation of the action during the learning process using the Cooperative Learning model in MA Negeri I Metro Lampung Timur. Interviews conducted by the authors by interviewing teachers and learners related to the implementation of Cooperative Learning model at MAN I Metro. Documentation used to complement student achievement data and other necessary data. Implementation of Cooperative Learning model can be able to improve student learning achievement. This is evidenced by the increase in the average value of learning achievement of learners from each cycle that is: In the first cycle, learning achievement learners who reached the completeness of 51.71% while unfinished reached 48.25%. In cycle II, learning achievement learners who reach the completeness of 81,58% while learning achievement of unfinished learners reaches 20,67%. In the third cycle, learning achievement of learners who achieve completeness 89.63% while learning achievement of unfinished learners reached 10.34%. Cooperative Learning model applied to Biology subject on the concept of learning material of ecosystem can improve student achievement in class X.5 in MA Negeri I Metro Lampung Timur. Kata Kunci: cooperative learning, Peningkatan prestas