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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:
38 countries/ areas
Highlight:
1 Australia39.2%
2 New Zealand36.7%
3 Portugal35.6%
4 Morocco32.0%
5 United Kingdom31.8%
6 Cyprus31.1%
7 Sweden28.9%
8 Chile28.6%
9 South Africa28.3%
10 Hong Kong, China27.9%
11 United States26.1%
12 Malaysia25.6%
13 Qatar25.1%
14 Bahrain24.3%
14 Kuwait24.3%
16 Lebanon23.5%
17 Ireland23.0%
17 Jordan23.0%
19 Italy22.7%
20 Iran22.4%
21 Saudi Arabia21.6%
22 Turkiye20.4%
23 Egypt19.7%
24 Israel19.6%
25 Hungary19.2%
26 Taiwan18.9%
26 United Arab Emirates18.9%
28 Norway18.5%
29 Georgia18.4%
30 Finland18.3%
31 France17.4%
32 Lithuania16.5%
33 Oman15.9%
34 Republic of Korea13.7%
35 Russian Federation13.1%
36 Romania12.7%
37 Japan9.2%
38 Kazakhstan 6.5%

Note
United Kingdom: England only.

No data for 200 countries.

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

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data36
Regression equation
Y = 1.084283 X +5.844
Correlation coefficient (r)0.077
Coefficient of determination (R2)0.006

GDP per capita (current US$)
No. of data37
Regression equation
Y = 62645.671148 X +19374.189
Correlation coefficient (r)0.192
Coefficient of determination (R2)0.037

Life expectancy at birth - Both sexes (years)
No. of data37
Regression equation
Y = 14.172290 X +75.192
Correlation coefficient (r)0.234
Coefficient of determination (R2)0.055

Fertility rate, total (births per woman)
No. of data37
Regression equation
Y = -1.326687 X +2.145
Correlation coefficient (r)-0.173
Coefficient of determination (R2)0.030

Suicide - all ages (per 100,000 population)
No. of data36
Regression equation
Y = -26.313533 X +16.581
Correlation coefficient (r)-0.279
Coefficient of determination (R2)0.078