TY - GEN CY - UNIVERSITAS LAMPUNG ID - eprints61758 UR - http://digilib.unila.ac.id/61758/ A1 - Juni Ariyanti, 1923042026 Y1 - 2021/12/02/ N2 - In learning a foreign language, there are four skills that should be mastered by the students, namely, listening, speaking, reading, and also writing. This research was focusing to present the material of local culture by using Group Investigation as a bridge to deliver the material. The text used in this research was narrative short story. The objectives of the research were (1) to discover the significant effect of use the group investigation based on local culture (2) to find out whether there significant difference in students? writing before and after being taught through group investigation based on local culture and group investigation based on foreign culture, and (3) to find out significant correlation between students? motivation and students? writing ability in applying Group Investigation based on local culture. The research was control group pretest and posttest design. The sample of this research was 30 students of SMK PGRI 1 Limau as experimental and control class. The instruments used in this study were questionnaire and writing test. The data of the research were collected through pre- test and post-test. The result of pretest and posttest in control class and experimental class was accumulated in the mean gain for writing test. The experimental class gained 10.08, while control class gained 5.13. For questionnaire the researcher was comparing the mean result for both classes. The pretest was 34.33, and for the posttest was 38,87. The data collected from pre and post-tests were analyzed (1) by using independent sample t test through SPSS 22.00 shows that sig (0.001< 0.05), (2) the second research question were analyzed by using repeated measures t test showed tlevel = 4,397 > ttable = 2.048, (3) correlation product moment was used in the third research question showed the Significant result (.000, .000, .000, .009, .000) < Significant level (0.05). The results found that the implementation of group investigation based on local culture in teaching and learning English improved students' writing ability, there were significant differences between students in control class and experimental class, then there was correlation between students? motivation and students? writing ability. Therefore, the hypotheses of this study were accepted. There was a significant improvement in presenting group investigation based on local culture towards students' motivation in writing. It could be concluded that the presence of group investigation based on local culture increases students' motivation in writing. Key words: Local Culture, Group Investigation Technique, Motivation, writing, Narrative. PB - Fakultas Keguruan Ilmu Pendidikan TI - THE IMPLEMENTATION OF GROUP INVESTIGATION BASED ON LOCAL CULTURE TO TEACH NARRATIVE WRITING AV - restricted ER -