THE EFFECTIVENESS OF USING SELF-REGULATED STRATEGY DEVELOPMNET (SRSD) TO IMPROVE STUDENTS’ ABILITY IN WRITING ANALYTICAL EXPOSITION TEXT AT THE ELEVENTH GRADE OF SMK N 5 BANDAR LAMPUNG IN THE ACADEMIC 2019/2020

ABSTRACT THE EFFECTIVENESS OF USING SELF-REGULATED STRATEGY DEVELOPMNET (SRSD) TO IMPROVE STUDENTS’ ABILITY IN WRITING ANALYTICAL EXPOSITION TEXT AT THE ELEVENTH GRADE OF SMK N 5 BANDAR LAMPUNG IN THE ACADEMIC 2019/2020 By Nuril Halida Writing is an activity for expressing the idea, concept, opinion in a text. From the result of interview with students of eleventh grade at SMKN 5 Bandar Lampung, students were having some problems in English learning process especially in writing. This problem caused some of the students difficult to determine the idea, low vocabulary, the students are lack of motivation in learning writing because the class condition was less interesting and they were lazy to paid attention when teacher teaching in the class. This research using Self-Regulated Strategy Development as a strategy for solve students’ problems in writing English especially on analytical exposition. The researcher used quasy experimental method in this study. The researcher conducted the research to eleventh grade of SMKN 5 Bandar Lampung. The researcher took two classes as the sample: XI TSM1 as the experimental class used self-regulated strategy development and XI TSM2 as control class used power strategy. The instrument of this study consist of pre and post. Pre-test was used to measure the students’ writing ability before the treatment while post-test was used to measure the students’ writing ability after the treatment. From the data analysis, it was found that the result of Sig. (2-tailed) = 0.000 and α = 0.05. It means Ha is accepted because Sig. (pvalue) < α = 0.05. Based on the computation, it can be concluded that there was an effectiveness of using self- regulated strategy development to improve students’ ability in writing analytical exposition text at the eleventh grade of SMKN 5 Bandar Lampung in the academic 2019/2020