Group Investigation (GI) on Students Descriptive Writing

Abstract

The objective of this study was to investigate whether Group Investigation increased first-grade students’ descriptive writing at Raman Siriwit Junior High School, Thailand. This study is quantitative were pre-test and post-test used to collect the data. The writers applied a t-test to analyze the data. Based on the Equal variance column, in obtained t-count scores is 11.808 by computing table scores n1 + n1-2 = 23 + 23 - 2 = 44, then obtained t-table score is 2.05 and significant score is 0.000. Because the score of t-count is 11.808> t-table 2.05 and the significant score is 0.000 <α = 0.05, so that H0 is rejected and Ha is accepted. This means that the pretest writing score compared to the posttest writing score is different. This means that there are significant differences in writing pretest scores with posttest scores after the Group Investigation method. Group Investigation increased first-grade students’ descriptive writing at Raman Siriwit Junior High School, Thailand.