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Question: This school year, how often did your teacher do the following things in your mathematics lessons? - The teacher taught us how to use mathematical logic when approaching new situations.
Choices: "Never or almost never" "Less than half of the lessons" "About half of the lessons" "More than half of the lessons" "Every lesson or almost every lesson"
Data: % of "More than half of the lessons" "Every lesson or almost every lesson"
Period:
Area:
10 countries/ areas
Highlight:
2 Canada42.4%
3 United States40.3%
4 United Kingdom38.4%
5 France32.6%
7 Italy29.7%
8 Germany28.5%
10 Japan 23.0%

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 = 3.458163 X +5.423
Correlation coefficient (r)0.840
Coefficient of determination (R2)0.706

GDP per capita (current US$)
No. of data7
Regression equation
Y = 148807.359637 X +798.645
Correlation coefficient (r)0.681
Coefficient of determination (R2)0.464

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -18.312408 X +87.659
Correlation coefficient (r)-0.616
Coefficient of determination (R2)0.379

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 1.148002 X +1.089
Correlation coefficient (r)0.383
Coefficient of determination (R2)0.147

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = 8.539456 X +6.594
Correlation coefficient (r)0.179
Coefficient of determination (R2)0.032