THE EFFECT OF USING (GI) GROUP INVESTIGATION METHOD ON STUDENTS’ WRITING SKILL

Abstract

The research focused on students’ writing skill in procedure text at grade XI SMKS-1 Daerah Sei Bejangkar in 2022/2023 academic year. The purpose of this research is to find out does the (GI) Group Investigation Method have an influence on students’ writing skill in procedure text. Sampling in this study using Jenuh sampling technique and the samples were 25 students in XI AK-1 and 25 students in XI AK-2. In this study used quantitative research. Technique of data collection in this study are observation, pre-test, treatment and post-test. The instrument of collecting data is an essay test. The results showed that the pre-test average for the Experimental group was 62,8 and post-test 78,8 an increase of 25,48% while the the pre-test average for the control group was 52,6 and post-test 65,4 an increase of 24,33%. The GI Method is an effective way to improve students’ writing skill. This is evidenced by T-test formula for analyzing data, with tscore = 63,33 while rtable (df) 25 + 25 - 2 .= 48 (0,284) so tscore > rtable.