THE EFFECT OF APPLYING MIND MAPPING TECHNIQUE ON STUDENTS’ SPEAKING ACHIEVEMENT IN DESCRIPTIVE TEXT

This study was conducted as an attempt to discover the effect of applying
Mind Mapping Technique on students’ speaking achievement in descriptve text.
The objective was to find out the effect of Mind Mapping technique to improve
students’ achievement in speaking descriptive text. This study was conducted by
experimental research design. The population of this study was the X grade
students’ of SMA Swasta ERIA Medan. Two classes from 6 parallel classes was
taken for the observation by cluster random sampling which divided into two
groups, each group consisted of 36 students as control group and experimental
group. The experimental group was taught by applying mind mapping technique
meanwhile the control group was taught by discussion technique. The instrument
for collecting data was speaking test. In the calculation of Ttest, the mean of
students’ score in experimental group was 80 and the mean of students’ score in
control group was 71. The total number of samples was 68, Tobserved is higher than
Ttable. 3,446 > 1,994 at the level of significance 0,05 for two tailed. The findings
indicate that using Mind Mapping Technique significantly affected the students’
speaking achievement in descriptive text is accepted.