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Question: This school year, how often did you do each of the following? - I put effort into my assignments for mathematics class.
Choices: "Never or almost never" "Less than half of the time" "About half of the time" "More than half of the time" "All or almost all of the time"
Data: % of "All or almost all of the time"
Period:
Area:
10 countries/ areas
Highlight:
1 United States45.4%
2 Japan43.1%
4 Canada39.2%
5 United Kingdom38.0%
7 Germany31.8%
9 Italy29.3%
10 France24.0%

Note
The data of Azerbaijan are collected only in Baku. The data of Ukraine are collected from 18 out of 27 regions.

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data7
Regression equation
Y = -0.049854 X +6.602
Correlation coefficient (r)-0.013
Coefficient of determination (R2)0.000

GDP per capita (current US$)
No. of data7
Regression equation
Y = 85587.817154 X +20069.251
Correlation coefficient (r)0.429
Coefficient of determination (R2)0.184

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -9.638061 X +84.967
Correlation coefficient (r)-0.355
Coefficient of determination (R2)0.126

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = -0.587435 X +1.685
Correlation coefficient (r)-0.215
Coefficient of determination (R2)0.046

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = 28.372745 X -0.706
Correlation coefficient (r)0.650
Coefficient of determination (R2)0.423