The background of this research was based on the observation which has been done by the researcher with the English teacher of MAN Cilacap. The result of observation showed that some students of the 10th Grade of MAN Cilacap difficulties in grammar, low motivation in learning english, especially in learning writing skill. So the researcher thought that there should be a solution to cope with that problem. The researcher use clustering technique as a technique to improve students writing skill in descriptive text.
The problem of this research can be stated as follow:1)How the improvements of students’ writing skill on descriptive text is after students are taught by clustering technique.2)How the improvements of students’ writing skill on descriptive text is after students are taught by clustering technique.
The research was Classroom Action Research (CAR) done two cycles. The subject of this research was the X IBB 1 of MAN Cilacap in the academic year of 2015/ 2016. The number of the students was 32 students. There were three meetings during the research. They are preliminary research, cycle test I and cycle test II. The techniques which were used to collect the data are documentation, observation, test.
The result of the study showed that there was improvement of students’ writing descriptive text. Most of the students gradually gained good scores at the end of each cycle. The score of Minimum Mastery Criterion- Kriteria Ketuntasan Minimal (KKM) of English lesson was 65 (sixty five). The students’ mean score inpreliminary study was 52.3. The mean score in the first cycle was 67.9. The mean score in the second cycle was 77.3 In addition, there was a positive response from the English teacher about implementing the action. In conclusion Clustering Technique could improve students’ writing skill in descriptive text.