This research was aim at knowing whether mind mapping could
improve students‟ ability in writing descriptive text. This research was conducted
at SMP Negeri 1 Sumpiuh in Academic Year 2013/2014. The method of this
research was classroom action research (CAR). The subject of this research was
the students of 8H of SMP Negeri 1 Sumpiuh which consisting of 26 students.
The treatment was carried out in two cycles of four actions, from October 16
th
2013to November 15
th
2013. Every cycle consisted of planning, acting, observing,
reflecting and evaluating. In collecting data the writer used test and observation as
the quantitative data. To support the quantitative data questionnaire and field note
was conducted to evaluate the teaching-learning process as the qualitative data.
The result of this research could be seen fr
om the result of students‟
score who reached KKM (75) in pre-test and Action two of Cycle two. The
number of students‟ writing score who reached KKM in pre
-test showed 3.84%
be
came 50
% in Action two of Cycle one. It improved again became 92.30% in
Action two of Cycle two. It reached the criteria of action success which was at
least 70% of the number students who reached KKM (75). Then it was supported
by observation and questionnaire result. The observation result improved 30.74
%
from Cycle one to Cycle two. The questionnaire result showed that almost all of
students (97.86%) felt more enjoyable, easier and helped being able to write
descriptive text using mind mapping. Based on the result of the research, it could
be concluded that mind mapping could improv
e students‟
ability in writing
descriptive text.