Abstract :
This study aims to find out whether Educaplay has an effect and
significant effect toward students? vocabulary mastery of eleventh grade students
at SMK Muhammadiyah 1 Metro. This study using quasi-experimental research
with experimental and control group. The subject of this study was the eleventh
grade of TJKT students at SMK Muhammadiyah 1 Metro. The population of this
research was 40 students which consist of 20 students of TJKT 1 as
experimental group and 20 students of TJKT 2 as control class. The data were
taken by giving vocabulary test which consists of multiple choice. The tests were
divided into two tests: pre-test and post-test for both experimental and control
groups.
The result showed an effect and significant toward students vocabulary
mastery, based on the result of hypothesis testing for the first hypothesis the
result of significant value is <0.001<0.05, it means that Ha accepted meanwhile
Ho rejected. The for he second hypothesis the result of significant value is
0.045<0.05, therefore it can be conclude that Ha is accepted and Ho rejected.
The conclusion is Educaplay gave effect and significant effect toward students
vocabulary mastery.