Abstract :
This study was focused on the effectiveness of Number Head Together in
teaching writing. The purpose of the study was to improve EFL students’ writing.This
study was a quantitative research and used experimental design. The population was
(30 students) and the sample was (15 students). Purposive sampling was used in
determining the sample of the study. Writing test was the instrument used to collect
the data. The data were analyzed by using descriptive statistic and paired sample ttest to test the hypothesis. The students’ instrument is an essay informed descriptive
text. Furthermore, the mean score of pre-test was 49.06 at p = 1.364 and post-test was
78.40 at p = 1.576 which was higher than 0.05 (as the standard significance level in
SPSS). This value showed the differences before and after implementing Number
Head Together. So it can be concluded that Number Head Together was significantly
effective in teaching writing in the tenth graders of SMKN 1 Janpria.
Keywords: Number Head Together (NHT), writing ability.