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TEACHING VOICE TRANSFORMATION BY USING FLASH CARDS

: The aim of this research was to investigate the effective size of using flash cards in teaching grammar especially voice transformation to Year-8 Students of MTs Darul Hidayah Rasau Jaya in Academic Year 2012/2013. It was a pre-experimental study with a single group pre-test post-test design. The sample was Year-8 students that consisted of 22 students. The data were collected by giving pre-test before the treatment and post-test after the treatment in form of multiple choice test. The test consisted of 20 items about voice transformation. Pre-test and post-test were the same test with different order. The data were analyzed by Effect Size (ES) formula. The finding showed that the effect size of teaching voice transformation by using flash cards was 2.41 ( ES > 0.80) and categorized high.