The Effectiveness Of Using Mind Mapping Technique In Writing Descriptive Text At Seventh Grade of SMPN 14 Kota Serang

Abstract

The objective of the study is to find out the effectiveness of using mind mapping technique in writing descriptive text at seventh grade of SMPN 14 Kota Serang. This study used quantitative method with true experimental design that used two groups. It means that there are an experimental class and a control class which were given pretest and posttest. The population of the research was the seventh grade students at SMPN 14 Kota Serang, the sample was taken by using cluster random sampling. Class VII G as the control group which consisted of 30 students. Class VII H as the experimental group which consisted 30 students. Pre-test and post-test were given to the experimental group and control group. The treatment was given only to an experimental group for two meetings. The instrument of this study was a written test, to score the students’ descriptive text on pretest and posttest the writer used rubric of scoring namely an analytical scoring. The researcher used content validity and inter-rater reliability in order to make the instruments were valid and reliable. In testing the hypothesis, the researcher used t-test formula to know the effectiveness of using mind mapping technique in writing descriptive text at seventh grade of SMPN 14 Kota Serang. The calculation showed that the result of is higher than  (4.38 ≥ 2.00) with the significance 0.05 (5%). It can be concluded that there is the effectiveness of using mind mapping technique in writing descriptive text at seventh grade of SMPN 14 Kota Serang.