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Question: How often do these things happen in your mathematics lessons? - It is too disorderly for students to work well.
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 South Africa24.5%
2 Kuwait24.2%
3 Morocco 24.0%
4 Portugal22.7%
5 Egypt22.0%
6 Lebanon21.4%
7 New Zealand20.0%
8 Bahrain19.6%
9 Saudi Arabia19.4%
10 Italy19.1%
11 Chile16.8%
12 Malaysia16.7%
13 Hong Kong, China16.5%
14 Jordan16.4%
15 Qatar15.8%
16 Australia15.5%
16 Sweden15.5%
18 United Arab Emirates13.2%
19 United Kingdom12.5%
20 Oman12.2%
21 Cyprus12.0%
21 Georgia12.0%
23 Israel11.8%
24 Iran11.7%
25 Lithuania11.6%
26 France11.3%
27 Republic of Korea11.2%
28 Taiwan10.9%
29 Turkiye10.5%
30 United States9.8%
31 Romania9.6%
32 Finland9.5%
33 Norway9.1%
34 Russian Federation8.7%
35 Ireland8.0%
36 Hungary7.1%
37 Kazakhstan3.3%
38 Japan2.1%

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 = -5.824674 X +6.916
Correlation coefficient (r)-0.321
Coefficient of determination (R2)0.103

GDP per capita (current US$)
No. of data37
Regression equation
Y = -108759.410019 X +48704.531
Correlation coefficient (r)-0.251
Coefficient of determination (R2)0.063

Life expectancy at birth - Both sexes (years)
No. of data37
Regression equation
Y = -14.571428 X +80.485
Correlation coefficient (r)-0.185
Coefficient of determination (R2)0.034

Fertility rate, total (births per woman)
No. of data37
Regression equation
Y = 1.815671 X +1.585
Correlation coefficient (r)0.182
Coefficient of determination (R2)0.033

Suicide - all ages (per 100,000 population)
No. of data36
Regression equation
Y = -40.953663 X +16.458
Correlation coefficient (r)-0.336
Coefficient of determination (R2)0.113