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 France 17.4%
7 Republic of Korea13.7%
8 Japan9.2%

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 = 3.761549 X +5.727
Correlation coefficient (r)0.818
Coefficient of determination (R2)0.669

GDP per capita (current US$)
No. of data8
Regression equation
Y = 110391.828788 X +22109.055
Correlation coefficient (r)0.678
Coefficient of determination (R2)0.460

Life expectancy at birth - Both sexes (years)
No. of data8
Regression equation
Y = -7.290571 X +83.785
Correlation coefficient (r)-0.282
Coefficient of determination (R2)0.080

Fertility rate, total (births per woman)
No. of data8
Regression equation
Y = 1.857502 X +1.034
Correlation coefficient (r)0.552
Coefficient of determination (R2)0.305

Suicide, age-standardized (per 100 000 population)
No. of data8
Regression equation
Y = -17.116075 X +15.592
Correlation coefficient (r)-0.335
Coefficient of determination (R2)0.112