The aim of this research was to find out the effectiveness of snake and
ladder puzzle to reinforce students’ vocabulary mastery.
This research was conducted at the eight grade students of SMP Negeri 1
Padamara in academic year 2011/2012. Treatment was carried out in February
2012. The total sample of this research was 58 respondents. The respondents were
divided into two groups; those were experiment class and control class. The
treatment was given to the experiment class. In collecting data, the writer used test
in the form of multiple choice. The writer conducted pre-test before giving the
treatment and post-test after giving the treatment.
Based on the result, it was concluded that snake and ladder puzzle was
effective for reinforcing students’ vocabulary mastery. It could be proved by the
result of t-value, it was 3.69. The writer consulted the critical value of t-table with
the significant level 5% and the degree fredom 56. The t-table was 2.00. It means
that reinforcing vocabulary using snake and ladder puzzle was effective because tvalue
was higher than t-table (3.69>2.00).