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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? - Check the website of the mobile phone operator to see whether the smartphone offer is mentioned
Choices: 1 "Not useful at all" - 6 "Very useful"
Data: Average score
Period:
Area:
10 countries/ areas
Highlight:
1 Republic of Korea4.28
2 Japan 4.26
3 Germany3.79
3 United Kingdom3.79
5 Italy3.70
6 France3.62
7 Canada3.56
8 United States3.55
9 Sweden3.53
10 Australia3.49

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 data10
Regression equation
Y = -1.454511 X +12.230
Correlation coefficient (r)-0.879
Coefficient of determination (R2)0.773

GDP per capita (current US$)
No. of data10
Regression equation
Y = -29294.038744 X +159791.004
Correlation coefficient (r)-0.721
Coefficient of determination (R2)0.520

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = 3.368202 X +69.236
Correlation coefficient (r)0.495
Coefficient of determination (R2)0.245

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = -0.688603 X +4.049
Correlation coefficient (r)-0.721
Coefficient of determination (R2)0.520

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = 11.541293 X -29.391
Correlation coefficient (r)0.560
Coefficient of determination (R2)0.314