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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 France67.0%
8 United Kingdom66.2%
9 Republic of Korea 54.9%
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 = 4.500266 X +3.768
Correlation coefficient (r)0.833
Coefficient of determination (R2)0.694

GNI per capita, PPP (current international$)
No. of data10
Regression equation
Y = 36207.361745 X +25195.762
Correlation coefficient (r)0.542
Coefficient of determination (R2)0.294

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -0.081765 X +0.874
Correlation coefficient (r)-0.557
Coefficient of determination (R2)0.310

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 1.452831 X +0.640
Correlation coefficient (r)0.551
Coefficient of determination (R2)0.304

Suicide - all ages (per 100,000 population, age-adjusted)
No. of data10
Regression equation
Y = -17.889304 X +23.435
Correlation coefficient (r)-0.458
Coefficient of determination (R2)0.210