TY - GEN CY - Universitas Lampung ID - eprints10405 UR - http://digilib.unila.ac.id/10405/ A1 - Ida Fitri Mardaningsih, 1113042039 Y1 - 2015/06/16/ N2 - Theoretically, writing is one of the important productive skills in English language teaching that must be learnt by the students in the school. To make a good piece of writing, the writer has to pay attention the several aspects including; content, organization, language use, vocabulary, and mechanics. Therefore, the English teachers have to apply the appropriate materials like authentic and simplified materials that they want to explore in writing class, especially about the recount text. The objective of this research was to find out whether there was difference on writing ability in recount text of the students who were taught by using authentic materials and those who were simplified materials. This research used quantitative method which had conducted to 32 students in X IPA2 as experimental class 1 and 32 students in X IPA3 as experimental class 2 at Senior High School Negeri 3 Metro. There were two groups of the pre-test and the post-test designs because the researcher investigated the difference on writing ability in recount text of the students who were taught by using authentic materials and those who were simplified materials. The pre-test was conducted in both experimental classes before giving treatment to know the result of students? basic writing ability. Then, the post-test was conducted in both experimental classes after giving treatment to find out the students? increase of writing. The data were analyzed by using Independent Group t-test. The finding of the research revealed that there was a significant difference on writing ability in recount text of the students who were taught by using authentic and those who were simplified materials. It could be seen from the significant value was the smaller than alpha (Sign.