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Question: How much do you agree with the following statements about yourself? - Part of the enjoyment I get from doing things is when I improve on my past performance.
Choices: "Strongly disagree" "Disagree" "Agree" "Strongly agree"
Data: % of "Agree" "Strongly agree"
Period:
Area:
10 countries/ areas
Highlight:
2 United States87.1%
3 Italy86.7%
5 Germany 82.3%
6 Canada81.3%
7 United Kingdom76.2%
9 Japan72.8%
10 France71.6%

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 = 1.222237 X +5.609
Correlation coefficient (r)0.265
Coefficient of determination (R2)0.070

GDP per capita (current US$)
No. of data7
Regression equation
Y = 130931.987496 X -53637.356
Correlation coefficient (r)0.534
Coefficient of determination (R2)0.285

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -20.105519 X +97.541
Correlation coefficient (r)-0.603
Coefficient of determination (R2)0.364

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = -0.785345 X +2.100
Correlation coefficient (r)-0.234
Coefficient of determination (R2)0.055

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = -4.995628 X +13.442
Correlation coefficient (r)-0.093
Coefficient of determination (R2)0.009