Abstract:This study wanted to investigate the effect of cooperative learning on students’ vocabulary achievement. The subject of this study is 54 students of grade seven in one of public junior high schools in East Java Indonesia. The researcher divided the subjects into two groups; experimental and control groups which consisted of 27 students. The instruments of this study were used tests, and observation. The tests consisted of pre and posttest which delivered in the first and the last meeting. The observation was d… Show more
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