The Effect of Using Word Mapping Strategy to the Students’ Vocabulary Mastery at SMPN 15 IT Binjai

Abstrak / Ringkasan

The aim of this research is to find out the effectiveness of Word Mapping
Strategy on the students’ vocabulary mastery at SMPN 15 IT Binjai, which was
observed from the students of seventh grade at SMPN 15 IT Binjai. The method
in this research was the quantitative method with the experimental research. The
population of this research was the students of SMPN 15 IT Binjai. This research
was conducted with two group namely experimental class by using Word
Mapping Strategy and control class without using Word Mapping Strategy. First,
the researcher gave a pre-test to both of class. After that, the researcher gave the
post-test to both of class. The scores of pre-test and pot-test were collected from
multiple choice. Then, it was analyzed by using SPPS window. The finding of this
reserach shows that teaching vocabulary using Word Mapping Strategy was
effective. The mean of experimental class from pre-test was 21,33 and post-test
was 26,33. It was proved by tvalue (5.094) which is higher than ttable in the degree
significance 5%. Futhermore, the hypothesis test that sig 2-tailed (p) was 0.00
while alpha (?) was 0.05 (0.00 < 0.05). It is mean that Ho was rejected and Ha was
accepted. So, the use Word Mapping Strategy in teaching vocabulary give
significant effect on the students vocabulay mastery.

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