Tweet
Question: How often do these things happen in your mathematics lessons? - There is disruptive noise.
Choices: "Every or almost every lesson" "About half the lessons" "Some lessons" "Never"
Data: % of "Every or almost every lesson"
Period:
Area:
8 countries/ areas
Highlight:
1 Australia39.2%
2 United Kingdom31.8%
3 Sweden28.9%
4 United States26.1%
5 Italy22.7%
6 France17.4%
7 Republic of Korea13.7%
8 Japan 9.2%

Note
United Kingdom: England only.

No data for 2 countries.

Source
TIMSS 2019 > International Database > TIMSS 2019 Data Almanacs - Grade 8

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data8
Regression equation
Y = 4.481129 X +5.641
Correlation coefficient (r)0.855
Coefficient of determination (R2)0.731

GDP per capita (current US$)
No. of data8
Regression equation
Y = 92588.194560 X +27433.414
Correlation coefficient (r)0.691
Coefficient of determination (R2)0.477

Life expectancy at birth - Both sexes (years)
No. of data8
Regression equation
Y = -7.649499 X +83.845
Correlation coefficient (r)-0.346
Coefficient of determination (R2)0.120

Fertility rate, total (births per woman)
No. of data8
Regression equation
Y = 1.446114 X +1.120
Correlation coefficient (r)0.460
Coefficient of determination (R2)0.212

Suicide - all ages (per 100,000 population)
No. of data8
Regression equation
Y = -31.904634 X +21.987
Correlation coefficient (r)-0.475
Coefficient of determination (R2)0.226