International Conference on English Language Teaching

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Students’ Number Result of Post-Test Experimental

Students’ Number
Result of Pre-Test
Experimental Group	Control Group
1	10	8
2	10	3
3	9	7
4	5	8
5	8	8
6	10	7
7	8	5
8	7	8
9	12	2
10	9	3
11	12	9
12	10	3
13	8	6
14	5	7
15	11	9
16	8	9
17	10	9
18	10	8
19	9	4
20	7	6
21	8	7
22	9	7
23	8	7
24	11	6
25	6	6
26	9	5
27	9
28	11
29	9
30	10

Figure 1.1 the result of pre-test

After the researchers do the cycle 1, the researchers move to cycle 2. In this cycle, the two samples have been divided. In the experimental group, the students will get the treatment for the researchers. The treatment is about vocabulary exercise in every meeting that has English schedule in that class. The treatment conducted by 10 vocabularies in every meeting. The researchers wrote the vocabularies in whiteboard then the students in the experimental group will write also in their notebook but the researchers give the time to the students to find the meaning of that vocabularies in their dictionary. Unfortunately, when the times are over the students still cannot find the meaning of all vocabularies. Sometimes they ask the researchers what the meaning of this word?

Another class is from the control group, the control group was not got a treatment. The students in that class also write the same vocabulary as the experimental group. The differences between the experimental group and control group are the students feel free to use or not the dictionary.

Cycle 3

After the experimental group got treatment for the researchers and the control group has done with their vocabulary in every meeting, then we go to the last cycle. The last cycle will do the post-test to know the dictionary gives a significant impact or not to increase the students' vocabulary. This test also same like pre-test, just do only once.

Post-Test
Post-test is the second test after the experimental group have already done with the treatment given by researchers. In the two classes have different students, in the experimental group, there are 30 students involved, but there is one student that not came to the class and for the control group, there are 26 students. The researchers hope that the dictionary will give

Discussion

10	10	4
11	13	10
12	14	7
13	6	7
14	7	7
15	8	8
16	10	7
17	7	9
18	9	8
19	12	4
20	7	5
21	7	5
22	4	7
23	7	3
24	-	5
25	7	5
26	8	5
27	7
28	11
29	9
30	10

Figure 1.2 the result of post-test

Students’ Number	Result of Post-Test
Students’ Number	Experimental Group	Control Group
1	10	9
2	10	6
3	9	9
4	9	10
5	8	9
6	11	8
7	9	9
8	5	9
9	10	7

significant impacts for the experimental group because they only get the treatment by the researchers. From the post-test there are a lot students that got a different score from the pre- test (see figure 1.2).
Looking from the previous study that has done by Zhiva
Shen (2013) The effects of vocabulary knowledge and dictionary use on EFL reading performance shows that the dictionary can improve the students' achievement on their score by vocabulary size, specific vocabulary, and reading comprehension [6]. The electronic dictionary is the most effective dictionary that has possibilities to help to improve the students' score because it's flexible and easy to bring everywhere and every time that the students' want. According to Nesi (2000) electronic dictionary is very easy to carry and a lot of people have already used it [5]. While this research wants to apply the experimental research into the junior high school of Al Musthofa. The experiment was applied into two groups that have different treatment. This research investigates the impact of using an offline dictionary to improve the students' vocabulary related to the topic in the class. The group one as an experimental group is Class E. Students in this class got intensive memorizing treatment with an offline dictionary. The second group as a control group is Class A. Students got discovery learning treatment with an offline dictionary.

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 :

𝑇Ш𝑒 𝑠𝑡𝑢𝑑𝑒𝑛𝑡𝑠^'𝑠𝑐𝑜𝑟𝑒 i𝑛 𝑝𝑟𝑒/𝑝𝑜𝑠𝑡

Shen, Zhiva. (2013). The effects of vocabulary knowledge and dictionary use on EFL reading performance. Canadian Center of Science and Education. Vol 6, No. 6. pp 78-85. DOI : 10.5539/elt.v6n6p77
Thornbury, Scott. How to teach vocabulary. pp. 13
Viera, Rodrigo T. (2017). Vocabulary knowledge in the production of written texts : A case study on EFL language learners. Vol. 30, pp 89- 105

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.

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.

International Conference on English Language Teaching

REFERENCES