The results from post-test and pre-test score were counted.
The average from the experimental group and the control
group would show whether there are significant differences or
not between the group that got a treatment or the group that
was not got a treatment. Here is the equation to got the
average of this data :
MingLi U
Шi ࢚ ࢛iࢊ࢚ ࢉ ni ࢊ ni
࢚
gࢊᝑ ࢚ ࢛iࢊ࢚ ࢛
ni
࢚ ࢚i ࢚
After calculating the data, it shows that total scores from
the experimental group are 268 from pre-test and 254 from
post-test, the averages are 8,93 and 8,75.
iM g࢚ ࢊ U ࢚Шi Ш LШi ࢚ gMingLi
࢚Шi
i ࢚ gMingLi
The gap score from the pre-test and post-test is 0,18. The
scores from pre-test until post-test in the experimental group
class were counted and its decreased, but the score was not
significant. While the total scores from the control group are
167 from pre-test and 182 from post-test, the averages are 6,42
and 7,00. The gaps' score from the pre-test and post-test is
0,58. The scores from pre-test until post-test in the control
group class were increased. The results from pre-test and post-
test found that the use of offline vocabulary did not give much
impact on the experimental group, but the control group got an
impact.
IV.
CONCLUSION
The research was classroom action research that took 2
classes from MTs Al-Musthofa as the control group and
experimental group. The research used an offline dictionary as
a tool to improve students' vocabulary in the class. The results
found that the offline dictionary does not give much impact on
experimental group class that has intensive memorizing
treatment, but its impact on control group class that has no
memorizing treatment. It can be concluded that the offline
dictionary does not give an impact on students' vocabulary.
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