358. DANG THI DIEU HIEN. Design of multiple choice test for physics subject.
Teaching methods at Ho Chi Minh City University of Technical Education
Minh with the support of information technology: Master's thesis/ Dang
Thi Dieu Hien. - Ho Chi Minh City: University of Technical Education, 2007.
- 82tr.; 30cm.
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Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in people's daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone company's network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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375. LE TRUNG NAM. Building a set of test questions and evaluating the subject.
Electric machine at Vietnam - Korea Vocational College Binh Duong - Appendix:
Master's thesis/ Le Trung Nam . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2011. - 146 pages; 30cm.
KHXG: 601401 371.26 L433-N174
376. PHAM THI HONG QUYEN. Improving the quality of good practice
Career of students majoring in garment technology at the College of Industry
Sonadezi Technology and Management: Master's thesis/ Pham Thi Hong Quyen .
- Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2011. - 117p.; 30cm.
KHXG: 601401 378.1 P534-Q171
377. TRAN THANH HUYEN. Innovation in teaching methods
Costume design III to meet the needs of the Ho Chi Minh City market
Ho Chi Minh at Vinatex College of Economics and Technology, Ho Chi Minh City:
Master's thesis/ Tran Thanh Huyen . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2011. - 122p.; 30cm.
KHXG : 601401 378.17 T772-H987
378. TRUONG THI LAN ANH. Innovation in teaching methods of the subject
Mechanical processing to promote student learning activities
Dong Nai College of Education: Master's thesis/ Truong Thi Lan Anh. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2011. - 113p.; 30cm.
KHXG: 601401 378.17 T871-A596
2010:
379. PHAN LU TRI MINH. Developing a primary training program for structural draftsmen in Ho Chi Minh City:
Master's thesis/ Phan Lu Tri Minh . – Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2010. - 213 pages; 30cm.
KHXG : 601401 331.25 P535-M664
380. PHAN LU TRI MINH. Developing primary training programs
Construction structural draftsman profession in Ho Chi Minh City area -
Appendix: Master's thesis/ Phan Lu Tri Minh . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2010. - 182 pages; 30cm.
KHXG : 601401 373.2 P535-M664
381. TRAN THI MAI CHI. Building a capacity development program
Technical pedagogical skills for vocational teachers at vocational secondary schools
Digital Economy 2 aims to improve the quality of school training
2010 – 2020 period: Master's thesis/ Tran Thi Mai Chi . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2010. - 133p.; 30cm.
KHXG: 601401 373.112 T772-C532
NINH VAN BINH
2012:
382. CAO NHU PHUC. Measures to improve the quality of education
Career guidance for high school students in Bac Lieu city, Bac Lieu province
Lieu: Master's thesis/ Cao Nhu Phuc . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 122p.; 30cm.
KHXG: 601401 373.14 C235-P577
383. HO THI HONG DUNG. Building a multiple choice question bank.
Objective test of Physics 10 in high schools
Dong Nai province: Master's thesis/ Ho Thi Hong Dung . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 92p.; 30cm.
KHXG: 601401 373.126 H678-D916
2011:
384. NGUYEN THI MAI THAO. Solutions to improve the quality of activities
Pedagogical training for students of Pedagogical College
Dalat, Lam Dong province: Master's thesis/ Nguyen Thi Mai
Thao . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2011. - 81p.; 30cm.
KHXG: 601401 378.1 N573-T367
ANH VU'S ASSESSMENT
2014:
385. PHAM VAN SUM. Integrated teaching in motorcycle repair teaching at
Nam Khanh Tan Vocational Training One Member Co., Ltd.: Thesis
Master/ Pham Van Sum . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2014. - xii, 74p. + 35p. appendix; 30cm.
KHXG : 601401 374.013 P534-S955
2013:
386. DANG THI THANH THAO. Compiled multiple choice questions
Technology 6 subject for secondary schools in Giong district
Tram in Ben Tre province: Master's thesis/ Dang Thi Thanh Thao . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2013. – vi, 147p.; 30cm.
KHXG: 601401 373.126 D182-T367
387. LE THANH NGUYET. Teaching in the direction of activating people
studying Informatics grade 9 at Tam Dong 1 Secondary School, Hoc Mon District, Ho Chi Minh City: Master's thesis in Education/ Le
Thanh Nguyet. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2013. - 110p.; 30cm.
KHXG: 601401 371.3 L433-N576
388. NGUYEN DUC HUAN. Teaching problem solving in the independent part.
simple presentation at Nguyen Van Tiet Secondary School, Thuan An town
Binh Duong province: Master's thesis/ Nguyen Duc Huan . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2013. - xv, 125p.; 30cm.
KHXG : 601401 373.236 N573-H874
PHAN LONG
2014:
389. NGUYEN PHUONG THAO. Compiling electronic textbooks for the subject
Assembly & measurement tolerances in the direction of teaching technology application
Studying at Binh Duong Vocational College: Master's thesis/
Nguyen Phuong Thao. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2014. - xii, 75p.; 30cm.
KHXG: 601401 371.33 N573-T367
2013:
390. DUONG DUC PHU. Organizing teaching and learning according to action learning
(action learning) advanced CISCO network administration course at College
Thu Duc College of Technology: Master's thesis/ Duong Duc Phu . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2013. - xiv, 139p.; 30cm
KHXG : 601401 378.1734 D928-P577
391. NGO THI HONG QUY. Developing primary training programs
Business accounting profession towards the implementation capacity for a number of
Vocational training institutions in Ho Chi Minh City: Master's thesis/ Ngo
Thi Hong Quy. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2013. – 30cm.
KHXG: 601401 373.19 N569-Q166
392. NGUYEN THI THUY TRANG. Building a multiple choice question bank.
Database subject test for Thu Duc College of Technology:
Master's thesis/ Nguyen Thi Thuy Trang. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2013. - xiii, 303p.; 30cm.
KHXG: 601401 371.26 N573 - T772
393. VU DANG KHOI. Building a multiple choice question bank for the subject
IT 10 with DK Testing Management System software at
Long Thanh High School - Dong Nai Province: Thesis
Master/ Vu Dang Khoi . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2013. - 141p.; 30cm.
KHXG: 601401 371.26 V986 - K45
2012:
394. CA THANH TONG. Design of electronic lectures for technology subject 11
by Microsoft office software frontpage: Master's thesis/ Ca Thanh Tong. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 130p.; 30cm.
KHXG: 601401 373.238 C111-T665
395. DO TRONG THANH. Applying practical teaching methods
towards activating learners of industrial electronics at
Central College of Transport III: Thesis
Master/ Do Trong Thanh . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 126 pages; 30cm.
KHXG: 601401 378.1543 D631-T367
396. LE THI LINH. Building a multiple choice question bank for Physics
Physics 11: Master's thesis/ Le Thi Linh. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 260 pages; 30cm.
KHXG: 601401 373.126 L433-L755
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towards activating students in high schools
Ho Chi Minh City: Master's thesis/ Lieu Thi Hong Loan. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 123p.; 30cm.
KHXG: 601401 373.238 L721-L795
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Practical guidance for chemistry grade 8 in Thu Duc district, city
Ho Chi Minh City: Master's thesis/ Nguyen Ha Thao Trang . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 163p.; 30cm.
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399. PHAN BACH DANG. Design of teaching aids in teaching
Motorcycle driving theory for Khmer people in Bac Lieu: Dissertation
Master's thesis/ Phan Bach Dang . - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2012. - 125 pages; 30cm.
KHXG: 601401 371.33 P535-D182
2011:
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Improve the results of pedagogical practice of students of Pedagogical College
Nha Trang University of Technology - Khanh Hoa Province: Master's thesis/ Ha Thi Hanh Tien. - Ho Chi Minh City: Ho Chi Minh City University of Technical Education, 2011. - 83p.; 30cm.
KHXG: 601401 378 H111-T562





![Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in peoples daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone companys network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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