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Ảnh hưởng của Facebook với giới trẻ Bài viết là nghiên cứu về mức độ ảnh hưởng của Facebook đối với giới trẻ. Sử dụng phần mềm SPSS để phân tích dữ liệu. Bài viết này là nghiên cứu phục vụ cho môn Thống kê Tin học được trình bày bằng tiếng Anh
EFFECTS OF FACEBOOK TO THE YOUTH INTRODUCTION I II Time: 19-25/3/2015 Total research samples: 60 Research area: Son Tra district Purpose: to examine the impact level of Facebook on youth people ANALYSIS: Description: a Gender: In our survey, we asked 60 people in total the percentages of genders are showed in the following chart Frequency Percent Valid Percent 29 29 60 48.3 48.3 3.3 100.0 48.3 48.3 3.3 100.0 Female Male Other Total The and males are females and 29 of females and people in the other sex, b Cumulative Percent 48.3 96.7 100.0 percentages of females equal to each other: 29 males corresponding to 48.3% 48.3% of males Besides, there are which makes up 3.3% Age Statistics in Business | The surveyed ages are between 13 and 30 19, 20, 21 and 22 year-old people are examined most Statistics in Business | Statistics Age N Valid Missing Mean Median Mode Variance Skewness Std Error of Skewness Kurtosis Std Error of Kurtosis Range Minimum Maximum Percentiles 25 50 75 60 20.27 20.00 20 11.555 564 309 1.492 608 17 13 30 19.00 20.00 22.00 The average age is 20.27 The median is 20, 20 is also the age that is surveyed most The youngest person is 13 years old while the oldest is 30 Their range is 17 years old Percentiles are 19, 20, 22 These numbers are relevant to our target people: the youth c Entities: pupils, students and graduates Statistics in Business | Pupil Student Graduate Total Frequency 11 41 60 Entities Percent Valid Percent 18.3 18.3 68.3 68.3 13.3 13.3 100.0 100.0 Cumulative Percent 18.3 86.7 100.0 There are 11 pupils, constituting 18.3% There are graduates, constituting 13.3% University students are the most with 68.3% Statistics in Business | => The entity group that is examined most is University student d Having Facebook accounts: Have a Facebook account Frequency Percent Valid Percent Cumulative Percent Yes 59 98.3 98.3 98.3 Used to 1.7 1.7 100.0 Total 60 100.0 100.0 59 over 60 people surveyed have a Facebook account Statistics in Business | A large number of young people use Facebook e Average used time per day Young people spend from to hours a day on average using Facebook Abuse Facebook, spend less time on other things, real life,… Statistics in Business | Correlation a Correlation between gender and confidence level : There is a marked difference between males and females Description Gender Confidence level on Facebook's information Female Std Stat Error Mean 6.10 0.378 Male Std Stat Error 3.93 0.324 Other Std Stat Error Lower Bound 5.44 3.12 -22.41 Upper Bound 6.76 4.74 28.41 5% Trimmed Mean 6.25 3.77 Median 6.00 Variance Std Deviation 3.025 4.495 1.730 2.12 2.828 Minimum 1 Maximum 10 Range 95% Confidence Interval for Mean Skewness -1.045 0.434 1.184 0.434 Kurtosis 1.153 0.845 0.845 1.801 The average confidence level of women is 6.1 while men is lower - 3.93 the other gender is the lowest: just In short, women seem to trust facebook information more than men Statistics in Business | b Correlation between the average friend number and the average “like” number Symmetric Measuresc Asymp Approx Approx Value Std Errora Tb Sig Ordinal by Kendall's tau.471 088 4.927 000 Ordinal b Kendall's tau.415 084 4.927 000 c Gamma 680 109 4.927 000 N of Valid Cases 60 Average number of friends * Average number of Likes Crosstabulation Average number of Likes 500 Total Average number 1000 12 11 27 Total 16 28 14 60 The average like number and the average friend number are hierarchical criteria Thus, Gamma and Kendall’s tau coefficients are used to illustrate the correlation of them Gamma = 0.68 Kendall’s tau = 0.571 Two coefficients are positive and close to It means criteria have positive association and closely related to each other Which is “the more friends a person has, the more like numbers he/she gets” That is also expressed through the above table The average like number depends on the average friend number… On Facebook, the number of likes demonstrates one person’s popularity Therefore, many young Statistics in Business | people using Facebook have a tendency to make friends with more people in order to receive more like numbers and thus show off their fame c Age & Impact level of Facebook on yourself (correlate – Spearman) Correlations Age Spearman's rho Age Impact level of Facebook on yourself Correlation Coefficient Sig (2-tailed) N Correlation Coefficient Sig (2-tailed) N Impact level of Facebook on yourself 1.000 005 60 970 60 005 1.000 970 60 60 The correlation coefficient: r = 0.05 ( it closes to ) => correlated quite unclosely This shows that age and the impact of Facebook correlation, the age is not significantly relative to the impact of Facebook HYPOTHESIS TESTS a One sample T-test Test the hypothesis: the average confidence level is equal to or greater than H0 : u >= u0 u0 = H : u < u0 This is the LHS test One-Sample Statistics Std N Mean Deviation Confidence level on Facebook's information 60 4.17 1.993 Std Error Mean 257 Statistics in Business | One-Sample Test Test Value = t Confidence level on Facebook's information -7.126 Sig (2tailed) Df 59 Mean Difference 000 -1.833 95% Confidence Interval of the Difference Lower Upper -2.35 -1.32 t=-7.126 reject H(0) , accept H(1) Hence, the average confidence level is less than From the above result, we can see that the confidence level on Facebook’s infomation is low (it equals to 4.17) b Paired Samples T-Tests Test the hypothesis: the average confidence level is greater than or equal to the average impact level H(0 ) : u(x)-u(y) >=0 X : the average confidence level, Y : the average impact level H(1) : u(x)-u(y) [...]... young people using Facebook tend to make friends with more people to receive more like numbers and thus show off their fame The difference in ages is not relative to the impact of Facebook to people Although Facebook have the great impact level on young people, they seem not be believe in it FACEBOOK HAS A GREAT INFLUENCE ON YOUNG PEOPLE! Statistics in Business | 12 ... So the average confidence level is less than the average impact level Although young people are impacted by Facebook at high level, confidence level on Facebook s information is low Statistics in Business | 11 III CONCLUSION A large number of young people use Facebook Females seem to trust Facebook information more than males Many young people using Facebook tend to make friends with more people to. .. Samples Correlations Correlatio N n Pair 1 Confidence level on Facebook' s information & 60 053 Impact level of Facebook on yourself Sig .689 Paired Samples Test Paired Differences 95% Confidence Interval of the Std Std Difference Deviati Error Mean on Mean Lower Upper Pair 1 Confidence level on Facebook' s information -2.500 2.528 - Impact level of Facebook on yourself 326 -3.153 -1.847 t 7.661 df 59 Sig