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Question: Thinking about your teaching in the class, how often do you the following: I present tasks for which there is no obvious solution.
Choices: "Never or almost never" "Occasionally" "Frequently" "Always"
Data: % of "Frequently" "Always"
Period:
Area:
48 countries/ areas
Highlight:
1 Viet Nam73.73%
2 Portugal67.26%
3 Colombia61.91%
4 Kazakhstan 61.43%
5 Argentina60.27%
6 Russian Federation58.09%
7 Chile57.73%
8 Latvia57.37%
9 Norway53.14%
10 South Africa52.33%
11 Denmark50.82%
12 Brazil48.94%
13 Georgia48.06%
14 United Arab Emirates46.71%
15 Italy44.17%
15 Spain44.17%
17 Saudi Arabia43.88%
18 China43.69%
19 Netherlands39.37%
20 Mexico38.44%
21 Republic of Korea38.13%
22 Taiwan36.38%
23 Singapore35.28%
24 Finland34.46%
25 Croatia34.22%
26 Israel34.20%
27 United Kingdom33.64%
28 Cyprus32.20%
29 Canada31.79%
30 Malta30.91%
31 Belgium30.87%
32 Slovakia29.90%
33 Slovenia29.46%
34 Australia29.22%
35 New Zealand28.72%
36 Hungary28.31%
37 United States27.56%
38 France25.91%
39 Sweden24.74%
40 Romania22.35%
41 Turkiye21.90%
42 Bulgaria19.66%
43 Iceland19.40%
44 Estonia16.43%
45 Japan16.11%
46 Lithuania13.42%
47 Austria12.41%
48 Czech Republic10.58%

Note
Argentina: Buenos Aires only. Canada: Alberta only. China: ShangHai only. United Kingdom: England only.

No data for 190 countries.

Source
OECD (2019) TALIS 2018 Results (Volume I) Table I.2.1

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data48
Regression equation
Y = -1.402444 X +6.967
Correlation coefficient (r)-0.307
Coefficient of determination (R2)0.094

GDP per capita (current US$)
No. of data48
Regression equation
Y = -44157.205219 X +49923.854
Correlation coefficient (r)-0.312
Coefficient of determination (R2)0.097

Life expectancy at birth - Both sexes (years)
No. of data47
Regression equation
Y = -7.691872 X +81.677
Correlation coefficient (r)-0.291
Coefficient of determination (R2)0.085

Fertility rate, total (births per woman)
No. of data47
Regression equation
Y = 0.710958 X +1.395
Correlation coefficient (r)0.266
Coefficient of determination (R2)0.071

Suicide - all ages (per 100,000 population)
No. of data47
Regression equation
Y = -4.655452 X +13.983
Correlation coefficient (r)-0.120
Coefficient of determination (R2)0.014