Determining the Composite Score to Assess the Skills of Preschool Children Participating in the Test

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3.3.5.3. Determine the composite score to assess the KNVĐCB of preschool children participating in the experiment

From the research results presented in Table 3.31 and Table 3.32, the thesis proceeds to build a standard table for comprehensive assessment and classification in assessing the level of VDCB of preschool children (3-6 years old) participating in the study in Ho Chi Minh City according to 3 levels: Good, Achieved and Unachieved. The standard score for comprehensive assessment and classification of VDCB for preschool children participating in the experiment in the inner and outer areas of Ho Chi Minh City according to each age group is presented in Table 3.33 as follows:

3.33. Criteria for classifying the combination of KNVĐCB skills of preschool children

Classification	Score achieved by age
	Baby MG	MG children	Preschool children
	(Maximum score 70)	(Maximum score 70)	(Maximum score 60)
1	Good	> 49.00	> 49.00	> 42.00
2	Obtain	28.00 - 49.00	28.00 - 49.00	24.00 - 42.00
3	Not achieved	< 28.00	< 28.00	< 24.00

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3.3.6. Evaluation of the development of practical skills of preschool children in the experimental group

To evaluate the effectiveness of the proposed BTVĐ for the experimental group in the two inner-city and suburban areas, and at the same time, to study the growth rate of the children's KNVĐCB in the two groups above after the experimental period. The thesis conducted a test and compared the KNVĐCB level of the experimental group and the control group in the two inner-city and suburban areas after 6 months of conducting the experiment through comparing the achievements of the KNVĐCB assessment tests for preschool children according to each age group presented in section 3.1. The comparison results are presented in the table

3.34 to table 3.39 as follows:

front and back area TN (=50)

Test stone price	Customer	Before practice				After practice				d	W%	t	P
Test stone price	Customer	X	S		CV	X	S		CV	d	W%	t	P
1	10m run out high output(s)	TN	4.87	0.48	0.03	10%	4.50	0.45	0.03	10%	0.37	7.90%	13.29	< 0.001
1	10m run out high output(s)	Address	4.94	0.46	0.03	9%	4.89	0.49	0.03	10%	0.05	1.02%	1.13	> 0.05
2	Walk on the line available(s)	TN	5.38	0.57	0.03	10%	5.1	0.52	0.03	10%	0.28	5.34%	5.06	< 0.001
2	Walk on the line available(s)	Address	5.37	0.43	0.02	8%	5.36	0.5	0.03	9%	0.01	0.19%	0.39	> 0.05
3	Crawl in the direction straight	TN	15.01	0.78	0.01	5%	14.73	0.91	0.02	6%	0.28	1.88%	9.29	< 0.001
3	Crawl in the direction straight	Address	15.13	0.56	0.01	4%	15.29	0.62	0.01	4%	-0.16	-1.05%	2.84	> 0.01
4	Cow through 03 gates(s)	TN	8.88	0.79	0.03	9%	8.45	0.8	0.03	9%	0.43	4.96%	12.82	< 0.001
4	Cow through 03 gates(s)	Address	8.82	0.54	0.02	6%	8.91	0.63	0.02	7%	-0.09	-1.02%	1.6	> 0.05
5	Climb 3 ladder steps (s)	TN	10.13	0.95	0.03	9%	9.58	1.00	0.03	10%	0.55	5.58%	22.87	< 0.001
5	Climb 3 ladder steps (s)	Address	9.92	0.86	0.02	9%	10.02	0.99	0.03	10%	-0.1	-1.00%	1.16	> 0.05
6	Jumping far on the spot (cm)	TN	43.8	4.47	0.03	10%	53	4.52	0.02	9%	9.2	19.01%	10.83	< 0.001
6	Jumping far on the spot (cm)	Address	43.5	3.68	0.02	8%	51.3	5.03	0.03	10%	7.8	16.46%	11.6	< 0.001
7	One-handed throw (cm)	TN	155.2	11.47	0.02	7%	172.1	12.38	0.02	7%	16.9	10.33%	16.92	< 0.001
7	One-handed throw (cm)	Address	154.8	10.74	0.02	7%	162	10.93	0.02	7%	7.2	4.55%	5.4	< 0.001

pre- and post-TN area (n=50)

Test stone price	Customer	Before practice				After practice				d	W%	t	P
Test stone price	Customer	X	S		CV	X	S		CV	d	W%	t	P
1	10m run out high output(s)	TN	4.91	0.5	0.03	10%	4.54	0.46	0.03	10%	0.37	7.83%	14.65	< 0.001
1	10m run out high output(s)	Address	4.97	0.47	0.03	10%	4.86	0.49	0.03	10%	0.11	2.24%	3.1	< 0.005
2	Walk on the line available(s)	TN	5.39	0.57	0.03	10%	5.12	0.53	0.03	10%	0.27	5.14%	4.28	< 0.001
2	Walk on the line available(s)	Address	5.42	0.41	0.02	8%	5.31	0.5	0.03	9%	0.11	2.05%	2.41	< 0.02
3	Crawl in the direction straight	TN	15.08	0.8	0.02	5%	14.79	0.92	0.02	6%	0.29	1.94%	9.66	< 0.001
3	Crawl in the direction straight	Address	15.21	0.55	0.01	4%	15.24	0.64	0.01	4%	-0.03	-0.20%	0.37	> 0.05
4	Cow through 03 gates(s)	TN	8.95	0.79	0.03	9%	8.53	0.8	0.03	9%	0.42	4.81%	13.25	< 0.001
4	Cow through 03 gates(s)	Address	8.88	0.55	0.02	6%	8.87	0.61	0.02	7%	0.01	0.11%	0.27	> 0.05
5	Climb 3 ladder steps (s)	TN	10.23	0.96	0.03	9%	9.67	1.01	0.03	10%	0.56	5.63%	23.46	< 0.001
5	Climb 3 ladder steps (s)	Address	10.01	0.86	0.02	9%	9.96	0.97	0.03	10%	0.05	0.50%	0.73	> 0.05
6	Jumping far on the spot (cm)	TN	43	4.29	0.03	10%	52.6	4.97	0.03	9%	9.6	20.08%	12.1	< 0.001
6	Jumping far on the spot (cm)	Address	43.4	4.22	0.03	10%	51.7	5.01	0.03	10%	8.3	17.46%	14.71	< 0.001
7	One-handed throw (cm)	TN	154.2	10.12	0.02	7%	171.7	12.6	0.03	7%	17.5	10.74%	18.85	< 0.001
7	One-handed throw (cm)	Address	153.6	8.98	0.02	6%	163.23	11.17	0.02	7%	9.63	6.08%	8.3	< 0.001

pre- and post-TN area (n=50)

Test stone price	Customer	Before practice				After practice				d	W%	t	P
Test stone price	Customer	X	S		CV	X	S		CV	d	W%	t	P
1	15m start run high	TN	5.57	0.56	0.03	10%	5.06	0.52	0.03	10%	0.51	9.60%	4.56	< 0.001
1	15m start run high	Address	5.54	0.44	0.02	8%	5.12	0.34	0.02	7%	0.42	7.88%	6.42	< 0.001
2	Go straight on gym chair(s)	TN	5.71	0.59	0.03	10%	5.16	0.56	0.03	11%	0.55	10.12%	5.39	< 0.001
2	Go straight on gym chair(s)	Address	5.72	0.55	0.03	10%	5.49	0.41	0.02	7%	0.23	4.10%	2.81	< 0.01
3	Crawl through 3 gates(s)	TN	15.28	0.91	0.02	6%	14.65	0.87	0.02	6%	0.63	4.21%	4.29	< 0.001
3	Crawl through 3 gates(s)	Address	15.36	0.78	0.01	5%	15.23	0.75	0.01	5%	0.13	0.85%	1.07	> 0.05
4	Crawl through 5 gates(s)	TN	6.38	0.67	0.03	0%	5.94	0.59	0.03	10%	0.44	7.14%	4.13	< 0.001
4	Crawl through 5 gates(s)	Address	6.41	0.53	0.02	8%	6.11	0.59	0.03	10%	0.3	4.79%	3.03	< 0.005
5	Climb 5 steps	TN	15.62	0.85	0.02	5%	14.86	1.07	0.02	7%	0.76	4.99%	5.07	< 0.001
5	Climb 5 steps	Address	15.57	0.49	0.01	3%	15.04	0.54	0.01	4%	0.53	3.46%	7.04	< 0.001
6	Jumping far on the spot (cm)	TN	52	5.15	0.03	10%	73.8	5.94	0.02	8%	21.8	34.66%	18.96	< 0.001
6	Jumping far on the spot (cm)	Address	51.8	5.42	0.03	10%	62.9	6.32	0.03	10%	11.1	19.35%	10.75	< 0.001
7	Throw far with 2 hands (cm)	TN	213	23.08	0.03	11%	245	14.98	0.02	6%	32	13.97%	7.81	< 0.001
7	Throw far with 2 hands (cm)	Address	214.2	22.48	0.03	10%	230.22	19.66	0.02	9%	16.02	7.21%	4.01	< 0.001

anterior and posterior TN ( =50)

Test	Customer	Before practice				After practice				d	W%	t	P
Test	Customer	X	S		CV	X	S		CV	d	W%	t	P
1	15m start run high	TN	5.61	0.59	0.03	10%	5.04	0.53	0.03	10%	0.57	10.70%	5.05	< 0.001
1	15m start run high	Address	5.59	0.49	0.03	9%	5.19	0.34	0.02	7%	0.4	7.42%	5.35	< 0.001
2	Go straight on gym chair(s)	TN	5.72	0.57	0.03	10%	5.28	0.55	0.03	10%	0.44	8.00%	4.5	< 0.001
2	Go straight on gym chair(s)	Address	5.75	0.58	0.03	10%	5.58	0.43	0.02	8%	0.17	3.00%	1.85	> 0.05
3	Crawl through 3 gates(s)	TN	15.31	0.95	0.02	6%	14.84	0.89	0.02	6%	0.47	3.12%	3.09	< 0.005
3	Crawl through 3 gates(s)	Address	15.38	0.81	0.01	5%	15.39	0.71	0.01	5%	-0.01	-0.06%	0.15	> 0.05
4	Crawl through 5 gates(s)	TN	6.41	0.69	0.03	11%	6.06	0.61	0.03	10%	0.35	5.61%	3.18	< 0.005
4	Crawl through 5 gates(s)	Address	6.44	0.54	0.02	8%	6.24	0.61	0.03	10%	0.2	3.15%	2.03	< 0.05
5	Climb 5 steps	TN	15.63	0.87	0.02	6%	15.09	1.09	0.02	7%	0.54	3.52%	3.18	< 0.005
5	Climb 5 steps	Address	15.56	0.49	0.01	3%	15.18	0.5	0.01	3%	0.38	2.47%	4.65	< 0.001
6	Jumping far on the spot (cm)	TN	51.4	4.95	0.03	10%	73.5	5.83	0.02	8%	22.1	35.39%	19.79	< 0.001
6	Jumping far on the spot (cm)	Address	51.7	5.21	0.03	10%	61.05	6.55	0.03	11%	9.35	16.59%	9.19	< 0.001
7	Throw far with 2 hands (cm)	TN	214.3	21.57	0.03	10%	242.7	13.22	0.02	5%	28.4	12.43%	8.74	< 0.001
7	Throw far with 2 hands (cm)	Address	215.3	22.53	0.03	10%	225.6	19.05	0.02	8%	10.3	4.67%	2.89	< 0.01

Table 3.38. Assessment of the level of motor skills in preschool children (5-6 years old) of the experimental group and the primary school before and after the experiment (n=50)

Test stone price	Customer	Before practice				After practice				d	W%	t	P
Test stone price	Customer	X	S		CV	X	S		CV	d	W%	t	P
1	18m high start run (s)	TN	6.27	0.66	0.03	11%	5.21	0.14	0.01	3%	1.06	18.47%	12.26	< 0.001
1	18m high start run (s)	Address	6.28	0.44	0.02	7%	5.8	0.37	0.02	6%	0.48	7.95%	6.51	< 0.001
2	Go on the gym bench sandbag head(s)	TN	7.75	0.61	0.02	8%	6.08	0.54	0.03	9%	1.67	24.15%	23.11	< 0.001
2	Go on the gym bench sandbag head(s)	Address	7.64	0.62	0.02	8%	7.50	0.71	0.03	9%	0.14	1.85%	1.77	> 0.05
3	Crawl through 05 gates (S)	TN	9.12	0.43	0.01	5%	7.38	0.35	0.01	5%	1.74	21.09%	31.72	< 0.001
3	Crawl through 05 gates (S)	Address	9.08	0.42	0.01	5%	8.9	0.47	0.01	5%	0.18	2.00%	2.67	< 0.025
4	Zigzag through 4 point(s)	TN	6.38	0.29	0.01	5%	5.54	0.52	0.03	9%	0.84	14.09%	8.88	< 0.001
4	Zigzag through 4 point(s)	Address	6.35	0.4	0.02	6%	5.98	0.43	0.02	7%	0.37	6.00%	5.79	< 0.001
5	Jumping far on the spot (cm)	TN	84.3	8.57	0.03	10%	101.6	10.52	0.03	10%	17.3	18.61%	12.48	< 0.001
5	Jumping far on the spot (cm)	Address	84.1	8.67	0.03	10%	97.8	5.36	0.02	5%	13.7	15.06%	10.6	< 0.001
6	Throw far with 2 hands (cm)	TN	262	9.89	0.01	4%	306.4	12.58	0.01	4%	44.4	15.62%	16.19	< 0.001
6	Throw far with 2 hands (cm)	Address	262.8	10.11	0.01	4%	286.2	10.08	0.01	4%	23.4	8.52%	13.92	< 0.001

Table 3.39. Assessment of the level of cognitive ability of preschool children (5-6 years old) of the TN group and the extracurricular activities before and after the experiment (n=50)

Test stone price	Customer	Before practice				After practice				d	W%	t	P
Test stone price	Customer	X	S		CV	X	S		CV	d	W%	t	P
1	18m high start run (s)	TN	6.25	0.66	0.03	10%	5.22	0.14	0.01	3%	1.03	17.96%	11.97	< 0.001
1	18m high start run (s)	Address	6.27	0.44	0.02	7%	5.83	0.36	0.02	6%	0.44	7.27%	6.09	< 0.001
2	Go on the gym bench sandbag head(s)	TN	7.71	0.64	0.02	8%	6.13	0.56	0.03	9%	1.58	22.83%	23.03	< 0.001
2	Go on the gym bench sandbag head(s)	Address	7.61	0.66	0.02	9%	7.49	0.71	0.03	10%	0.12	1.59%	1.82	> 0.05
3	Crawl through 05 gates (S)	TN	9.09	0.44	0.01	5%	7.44	0.36	0.01	5%	1.65	19.96%	32.27	< 0.001
3	Crawl through 05 gates (S)	Address	9.07	0.42	0.02	5%	8.92	0.46	0.01	5%	0.15	1.67%	2.36	< 0.025
4	Zigzag through 4 point(s)	TN	6.39	0.34	0.02	5%	5.56	0.52	0.03	9%	0.83	13.89%	8.58	< 0.001
4	Zigzag through 4 point(s)	Address	6.34	0.41	0.02	6%	6	0.43	0.02	7%	0.34	5.51%	5.67	< 0.001
5	Jumping far on the spot (cm)	TN	84	8.45	0.03	10%	100.3	10.71	0.03	11%	16.3	17.69%	9.58	< 0.001
5	Jumping far on the spot (cm)	Address	83.6	8.45	0.03	10%	97.9	5.26	0.02	5%	14.3	15.76%	10.61	< 0.001
6	Throw far with 2 hands (cm)	TN	262.4	10.61	0.01	4%	305.2	12.33	0.01	4%	42.8	15.08%	15.13	< 0.001
6	Throw far with 2 hands (cm)	Address	262.8	10.31	0.01	4%	285.2	9.53	0.01	3%	22.4	8.18%	14.67	< 0.001

Analysis of the results from Table 3.34 to Table 3.39 shows that all evaluation indicators are representative enough for the thesis to evaluate and analyze the following indicators (the relative error of the sample mean value is within the allowable range   0.05).

The coefficient of variation (Cv), a parameter reflecting the variability among individuals in the sample set in most post-tests at different ages, shows that most of the indicators have high homogeneity (Cv < 10%) which means that the dispersion among the research individuals is at a high level. In particular, the indicators in the "Balance walking on a gym chair" test of the middle kindergarten children in the inner-city experimental group, the "Long jump in place" test of the middle kindergarten children in the suburban experimental group, and the "Long jump in place" test of the older kindergarten children in the suburban experimental group have average homogeneity (Cv = 11% < 20%) which means that the dispersion among the research individuals is at an average level. However, because the subjects in the study are dispersed due to differences in age and local conditions of each research cluster, it is still possible to compare the parameters between the values obtained at different ages as follows:

* For young children (3 – 4 years old):

From the results of the data analysis in Table 3.34 and Table 3.35, it can be seen that the motor skills of preschool children in the inner and suburban areas of Ho Chi Minh City are different between the control and experimental groups before and after the experiment. The final test results of the experiment in all sports of the experimental group in both the inner and suburban areas have increased after 6 months of the experiment and the difference is statistically significant (t > t 05 ). The final test results of the experiment in the control group only have some sports growth: in the inner city area, there are jumping and throwing sports; and in the suburban area, there are running, balancing, jumping and throwing sports. The remaining sports in the control group (running, walking, crawling in the inner city area and crawling, crawling, climbing in the suburban area) have no difference in performance before and after the experiment (t < t 05 ). Most notably, crawling activity in the inner-city control group decreased.

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