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Question: How often do these things happen in your mathematics lessons? - Students interrupt the teacher.
Choices: "Every or almost every lesson" "About half the lessons" "Some lessons" "Never"
Data: % of "Every or almost every lesson"
Period:
Area:
56 countries/ areas
Highlight:
1 Chile43.1%
2 Malta37.1%
3 South Africa36.5%
4 Cyprus34.4%
5 United States34.2%
6 Spain32.9%
7 New Zealand32.7%
8 Italy31.3%
9 Bosnia and Herzegovina30.2%
10 Australia29.6%
11 Canada28.9%
11 Kuwait28.9%
13 Philippines28.6%
14 Germany28.4%
15 Qatar27.9%
16 Montenegro27.7%
17 Slovakia27.4%
18 Bahrain26.5%
19 United Kingdom25.7%
20 France25.3%
21 Portugal25.0%
22 Iran24.9%
23 Austria24.8%
24 Croatia24.3%
25 Serbia23.6%
26 Belgium23.5%
27 Czech Republic23.3%
27 United Arab Emirates23.3%
29 Poland22.6%
30 Oman22.1%
31 Morocco21.4%
32 Sweden21.2%
33 Turkiye21.0%
34 Russian Federation20.1%
35 Netherlands20.0%
35 Taiwan20.0%
37 Latvia19.9%
38 Saudi Arabia19.6%
39 Ireland19.5%
40 Hungary18.9%
41 Armenia18.3%
41 Denmark18.3%
43 Pakistan 18.1%
44 Georgia18.0%
45 North Macedonia17.9%
46 Hong Kong, China17.4%
47 Norway17.2%
48 Bulgaria14.6%
49 Kosovo13.5%
50 Azerbaijan12.9%
51 Republic of Korea12.2%
52 Kazakhstan11.2%
53 Albania10.4%
54 Lithuania9.0%
55 Finland7.7%
56 Japan5.9%

Note
Belgium: The Flemish Community only. United Kingdom: England only.

No data for 182 countries.

Source
TIMSS 2019 > International Database > TIMSS 2019 Data Almanacs - Grade 4

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data54
Regression equation
Y = 1.250142 X +5.952
Correlation coefficient (r)0.123
Coefficient of determination (R2)0.015

GDP per capita (current US$)
No. of data56
Regression equation
Y = 24126.048212 X +25283.839
Correlation coefficient (r)0.080
Coefficient of determination (R2)0.006

Life expectancy at birth - Both sexes (years)
No. of data55
Regression equation
Y = 5.110464 X +76.885
Correlation coefficient (r)0.091
Coefficient of determination (R2)0.008

Fertility rate, total (births per woman)
No. of data55
Regression equation
Y = -0.383117 X +1.782
Correlation coefficient (r)-0.062
Coefficient of determination (R2)0.004

Suicide - all ages (per 100,000 population)
No. of data53
Regression equation
Y = -16.925330 X +15.352
Correlation coefficient (r)-0.213
Coefficient of determination (R2)0.045