The aim of the research was to improve the students’ vocabulary mastery
using Demonstration Method. The reason for choosing the topic was the students’
mastery in learning vocabulary was still low and they still got difficulties in
memorizing, spelling, pronouncing the words.
This research used Classroom Action Research, and was conduct at MTS
N1 Karanganyar Purbalingga in the academic year 2012/ 2013. The subject of the
research was students at grade VIIB. The number of the students was 30 students,
consisting of 14 boys and 16 girls. This study was done on Wednesday 9th January
until 24th January 2012. The writer applied qualitative and quantitative data that
were taken from observation, interview,documentation, questionnaire and test.
The data analysis proved that learning vocabulary using demonstration method
could improve students’ vocabulary mastery in every cycle. The average
students’ activity was 23.32% in Cycle 1 and 91.66% in Cycle 2. The last was the
result of the students’ vocabulary test which showed improvement in Cycle 2. The
mean of the students’ vocabulary was 2.7.
From the result of students’ vocabulary test, the writer took a conclusion
that after the CAR more than 80% students could reach the English KKM, it could
be seen from the result of test 1 that there was 3 students who could reach the
English KKM, from the result of test 2. It was 27 students who could reach the
English KKM, so this CAR could be called successful because 27 students could
reach the English KKM.