The Effect of Brainstorming Teaching Theory on Students’ Achievement in Writing Descriptive Paragraph at SMA Harapan Mekar Medan

Abstract

This research deals with the effect of brainstorming teaching theory on students’ achievement in writing descriptive paragraph at SMA Harapan Mekar Medan. This research was conducted at SMA Harapan Mekar Medan. The research was done from December 2017 to March 2018. The population of this research was taken from the X grade students’ academic year 2017/2018 of SMA Harapan Mekar Medan, Sumatera Utara, which of two parallel class. There were X-IPA and X-IPS. Class X-IPA consists of 30 students, and X-IPS consists 30 students where X-IPA and X-IPS class were taken as the sample of this research. The experimental quantitative research was applied in this research. The experimental quantitative research was research with two different group, experimental that consist of 15 students and control group consist 15 students. The facts showed that t-critical ( ) value was higher than the on the level 2.793. Therefore, the null hypothesis was rejected and alternative hypothesis was accepted. So, the researcher concluded the alternative was accepted that there was any significant effect of brainstorming teaching theory on students’ achievement in writing descriptive paragraph at SMA Harapan Mekar Medan. The students difficulties of applying Brainstorming Teaching Theory on students’ ability based on the minimal passing grade the students that 70 points or 36% was low did not get pass the minimal passing grade and the students got above passed of the minimal passing grade 69%, it meant that, the applying Brainstorming Teaching Theory on the students’ ability was successed.