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Question: How much do you agree with the following statements? - I feel that I can handle many things at a time.
Choices: "Strongly disagree" "Disagree" "Agree" "Strongly agree"
Data: % of "Strongly agree" "Agree"
Period:
Area:
10 countries/ areas
Highlight:
1 Sweden74.5%
2 United States73.6%
3 Australia72.6%
3 Canada72.6%
5 Germany69.3%
6 Italy67.8%
7 France 67.0%
8 United Kingdom66.2%
9 Republic of Korea54.9%
10 Japan41.4%

Source
PISA 2018 Results (Volume III) : What School Life Means for Studentsf Lives

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data10
Regression equation
Y = 4.017037 X +4.114
Correlation coefficient (r)0.866
Coefficient of determination (R2)0.750

GDP per capita (current US$)
No. of data10
Regression equation
Y = 76623.855875 X -830.782
Correlation coefficient (r)0.672
Coefficient of determination (R2)0.452

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -11.346364 X +89.377
Correlation coefficient (r)-0.595
Coefficient of determination (R2)0.354

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 1.407686 X +0.533
Correlation coefficient (r)0.525
Coefficient of determination (R2)0.276

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = -22.559591 X +28.857
Correlation coefficient (r)-0.391
Coefficient of determination (R2)0.153