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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? - Click on the link to fill out the form as soon as possible
Choices: 1 "Not useful at all" - 6 "Very useful"
Data: Average score
Period:
Area:
10 countries/ areas
Highlight:
2 Italy2.39
3 United States2.17
4 France2.16
5 Canada2.13
8 Germany1.87
9 United Kingdom1.83
10 Japan1.81

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 data7
Regression equation
Y = 0.075685 X +6.428
Correlation coefficient (r)0.057
Coefficient of determination (R2)0.003

GDP per capita (current US$)
No. of data7
Regression equation
Y = 11353.679912 X +27442.879
Correlation coefficient (r)0.161
Coefficient of determination (R2)0.026

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -1.893238 X +85.398
Correlation coefficient (r)-0.197
Coefficient of determination (R2)0.039

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = -0.000149 X +1.475
Correlation coefficient (r)-0.000
Coefficient of determination (R2)0.000

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = -3.249726 X +16.127
Correlation coefficient (r)-0.210
Coefficient of determination (R2)0.044