The Use of Contextual Analysis in Teaching Vocabulary

The purpose of this research is to find out the effectiveness of the use of contextual analysis in teaching vocabulary to the tenth grade students of MAN 2 Pontianak in academic year 2013/2014. This research was conducted as a pre experimental research with the one group pretest-posttest. The sample of this research were class X MIA 1 as the experimental class. The data were collected through pretest and posttest by using multiple choice consisting of twenty items and were analyzed by using Effect Size (ES) formula. The finding shows that the effect of treatment is 1.3 (>1.00) or categorized as strong effect. It indicates that the use of contextual analysis is effective in teaching vocabulary