Teaching new words using collocations has been acknowledged as an effective way in vocabulary classes

Table 4 . Control group’s (CG) results

	Name	Pre-test (matching words) 10 points	Comprehension questions (10 point)
1	Abduganiyeva Muhlisa	8	8
2	Abdulqosimov Qodirjon	8	7
3	Abashov Muhammadruh	7	7
4	Hamidullayeva Mushtariy	6	7
5	Hojakbarova Maftuna	7	7
6	Ismatov Haydar	6	6
7	Ibragimova Rizvongul	6	8
8	Komiljonov Mirislom	8	7
9	Mahamadjonova Iroda	9	7
10	Karimov Davron	6	5
11	Nigmatullayev Asror	7	7
12	Nabiyeva Madina	7	6
13	Nurmatova Dildora	8	7
14	Olloqulov Dostonbek	6	8
15	Qobilova E’zoza	9	8
	Mean:__7,2__7___Table_5._Experimental_group’s_(EG)_results'>Mean:	7,2	7

Table 5. Experimental group’s (EG) results

	Name	Pre-test matching words (10 points)	Comprehension questions(10 points)
1	Ozodova Umida	7	7
2	Odilova Iroda	8	8
3	Pirmatova Mubina	8	7
4	Muhammedbekov Sunnat	6	7
5	Tohirov Otabek	9	8
6	Tursunov Farhod	8	7
7	Shamsiddinova Nodira	7	7
8	Valiyeva Madina	6	7
9	Xolmurodova Barno	8	6
10	Hikmatova Aynura	8	8
11	Shohmurodov Islombek	9	8
12	Turdiyeva Hamida	7	6
13	Gulomjonova Sitora	7	6
14	Yodgorov Oybek	8	7
	Mean:	7,6	7,6

As Table 4 shows that in pre-test (matching test) exam there were 10 questions and comprehension questions were also 10. Experimental group’s mean of the scores for the first matching test was 7.6 out of 10 and control group’s was 7.2. In the next part(comprehension questions) EG shows again 7.6 while CG shows 7 point. In both tests experimental group gained more scores than CG (7,2<7,6; 7<7,6). The difference between mean indicates 0,4 and 0,6 points. The difference is obvious from the beginning part.

Figure 1. Reflection of pre-test results

As Figure 1 shows, Experimental group’s results of pre-test were lower (4%) than CG results. In this step, the rating score raised.
Table 5. Pre-test exam data (EG) for matching words

Central tendency			Dispersion
mean	mode	median		Low	high	range
7,6	8	8		6	9	4

Table 6. Pre-test exam data (CG)

Central tendency			Dispersion
mean	mode	median		low	high	range
7,2	7	7		6	9	4

As tables 5 ad 6 demonstrate that there is no difference between dispersions (individual), however in central tendency EG shows a higher result. (mode, median: 8>7) .

In the following diagram we will show the comparison of both groups.
Figure 2. Reflection of central tendency

The scoring of filling the gaps exercise was also done by giving one point to each correct answer as previous tasks. Since there were 10 questions, total score was 10. For this task, the means, mode, range of each group were calculated. Then, two groups were compared to see if there were differences among them.

Table 7. contains the means and the standard deviations of the immediate multiple-choice tests.
Table 7. Control group’s results of gap-filling task
Mean: 8+7+7+6+7+6+6+8+9+9+6+6+7+5+6=103/15=6,86=6,9

Name	Score (out of 10)	mean	difference
Muhlisa	8	-6,9	1,1
Qodirjon	7	-6,9	0,1
Muhammadruh	7	-6,9	0,1
Mushtariy	6	-6,9	-0,9
Maftuna	7	-6,9	0,1
Haydar	6	-6,9	-0,9
Mirislom	6	-6,9	-0,9
Rizvongul	8	-6,9	1,1
Iroda	9	-6,9	2,1
Davron	9	-6,9	2,1
Asror	6	-6,9	-0,9
Madina	6	-6,9	-0,9
Dildora	7	-6,9	0,1
Doston	5	-6,9	-1,9
E’zoza	6	-6,9	-0,9

Table 8. Experimental group’s results of gap-filling task


Mean: 7+8+9+8+8+7+6+9+6+9+7+6+6+8=104/14=7,4

Name	Score (out of 10)	mean	difference
Umida	7	-7,4	-0,4
Iroda	8	-7,4	0.6
Mubina	9	-7,4	1,6
Sunnat	8	-7,4	0,6
Otabek	8	-7,4	0,6
Farhod	7	-7,4	-0,4
Nodira	6	-7,4	-1,4
Madina	9	-7,4	1,6
Barno	6	-7,4	-1,4
Aynura	9	-7,4	1,6
Islombek	7	-7,4	-0,4
Hamida	6	-7,4	-1,4
Sitora	6	-7,4	-1,4
Oybek	8	-7,4	0,6

Figure 3. The reflection of results (gap-filling exercise)

As Figure 3 shows the difference of mean in both groups is visible. EG’s mean is 7,4 and CG’s mean is 6,9. (7,4>6,9). This data indicates the rating position of Experimental group’s results since in previous tasks the score of difference was 0,4 and this time it indicates 0,5 (5%). (0,4<0,5).

The next step was 1 post test-multiple choice test and it includes 20 questions and scores were calculated by giving one point in each answer (20 points). The 2 post was definition sentence test and it also includes 20 questions by giving one point to each correct answer. In the following tables, reader can get information about the results of post-tests (multiple-choice and definition sentence test) and the comparison of them in both groups.

Table 9. The results of Control group

	Name	Multiple–choice test (20 point)	Definition-sentence test (20 point)
1	Abduganiyeva Muhlisa	17	16
2	Abdulqosimov Qodirjon	18	17
3	Abashov Muhammadruh	15	17
4	Hamidullayeva Mushtariy	15	14
5	Hojakbarova Maftuna	16	17
6	Ismatov Haydar	16	18
7	Ibragimova Rizvongul	15	17
8	Komiljonov Mirislom	17	19
9	Mahamadjonova Iroda	19	18
10	Karimov Davron	16	15
11	Nigmatullayev Asror	17	14
12	Nabiyeva Madina	14	13
13	Nurmatova Dildora	13	12
14	Olloqulov Dostonbek	16	16
15	Qobilova E’zoza	18	14