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Question: You have received a message in your inbox from a wellknown mobile phone operator telling you that you are one of the winners of a smartphone. The sender asks you to click on the link to fill out a form with your data so they can send you the smartphone. In your opinion, how appropriate are the following strategies in reaction to this email? - Answer the email and ask for more information about the smartphone.
Choices: 1 "Not useful at all" - 6 "Very useful"
Data: Average score
Period:
Area:
38 countries/ areas
Highlight:
1 Republic of Korea3.58
2 Hungary3.38
3 Iceland3.13
4 Estonia3.11
5 Lithuania3.03
6 Mexico3.01
7 Chile2.99
8 Portugal2.97
9 Turkiye2.95
10 Poland2.94
11 Latvia2.93
12 Spain2.89
13 Slovakia2.85
14 Switzerland2.84
15 Ireland2.79
16 Slovenia2.76
17 Italy2.72
18 New Zealand2.71
19 Colombia2.68
20 Canada2.67
20 Czech Republic2.67
22 United States2.66
23 Luxembourg2.63
24 Austria2.59
24 Belgium2.59
24 Israel2.59
27 Costa Rica2.51
28 Finland2.48
28 France2.48
28 Germany2.48
31 Denmark2.46
32 Greece2.45
32 Netherlands2.45
34 Japan2.44
34 Norway2.44
36 United Kingdom2.43
37 Sweden 2.42
38 Australia2.37

Note
The data of Azerbaijan are collected only in Baku. The data of China are collected only in Beijing, Shanghai, Jiangsu, and Zhejiang.

Source
OECD PISA 2018 Compendia

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data38
Regression equation
Y = -0.855602 X +9.028
Correlation coefficient (r)-0.424
Coefficient of determination (R2)0.180

GDP per capita (current US$)
No. of data38
Regression equation
Y = -33395.179521 X +136046.825
Correlation coefficient (r)-0.328
Coefficient of determination (R2)0.108

Life expectancy at birth - Both sexes (years)
No. of data38
Regression equation
Y = -4.825897 X +93.069
Correlation coefficient (r)-0.365
Coefficient of determination (R2)0.133

Fertility rate, total (births per woman)
No. of data38
Regression equation
Y = -0.276998 X +2.346
Correlation coefficient (r)-0.249
Coefficient of determination (R2)0.062

Suicide, age-standardized (per 100 000 population)
No. of data38
Regression equation
Y = 4.464738 X -2.368
Correlation coefficient (r)0.307
Coefficient of determination (R2)0.094