This classroom action research focuses on the use of mind mapping strategy to
improve students’ ability in writing procedure text. This research was conducted
at MA Darul Qurro Kawunganten with 21 students of class XI as the subject of
the research. It was done for two weeks (17 November – 28 November 2014). The
writer used classroom action research (CAR) as the method of the research. The
writer did this research collaboratively with the English Teacher. The CAR was
done based on the Kemmis and Mc. Taggart’s design. The writer took two cycles
with two actions in each cycle. The data were collected through observation,
writing test (pre-test and post-test), and questionnaire. The writer used descriptive
comparative technique and critical analysis technique to analyze the qualitative
and the quantitative data. The qualitative data were analyzed based on the
observation of students’ activities in the class and questionnaire, while the
quantitative data were analyzed by using writing test (pre-test and post-test). The
data analysis showed that mind mapping strategy could improve the students’
writing ability. The average of students’ writing ability between pre-test and posttest
showed improvement from 60.04 to 77.62, the improvement was 17.58 %,
and there were also 19 students or 90.47 % of students could reach score ≥ 7.0
(KKM). It was also supported by the observation and questionnaire result. The
data of observation showed that the average of the percentage of the students’
writing activities between cycle one and cycle two was 40.46 % to 61.89 %, then
the improvement was 21.43 %. The data from the questionnaire which consisted
of 15 questions showed that more than 66% students gave positive response to the
implementation of the mind mapping strategy in writing class. In conclusion, the
research had been called a success, because the result of this research could be
achieved in cycle two.