Tweet
Question: This school year, how often did your teacher do the following things in your mathematics lessons? - The teacher asked us to defend our answer to a mathematics problem.
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:
1 France61.5%
2 Germany59.2%
3 Sweden55.7%
4 United Kingdom50.0%
5 Japan 48.8%
6 Canada46.9%
7 Italy46.4%
8 United States44.8%
9 Australia39.3%
10 Republic of Korea21.0%

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 data10
Regression equation
Y = 1.497828 X +5.945
Correlation coefficient (r)0.416
Coefficient of determination (R2)0.173

GDP per capita (current US$)
No. of data10
Regression equation
Y = 15432.054991 X +41621.979
Correlation coefficient (r)0.123
Coefficient of determination (R2)0.015

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = -2.969085 X +83.406
Correlation coefficient (r)-0.148
Coefficient of determination (R2)0.022

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = 1.967638 X +0.547
Correlation coefficient (r)0.761
Coefficient of determination (R2)0.579

Suicide, age-standardized (per 100 000 population)
No. of data10
Regression equation
Y = -27.076589 X +23.923
Correlation coefficient (r)-0.676
Coefficient of determination (R2)0.457