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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:
31 countries/ areas
Highlight:
1 Portugal67.26%
2 Colombia61.91%
3 Chile57.73%
4 Latvia57.37%
5 Norway53.14%
6 Denmark50.82%
7 Italy44.17%
7 Spain44.17%
9 Netherlands39.37%
10 Mexico38.44%
11 Republic of Korea38.13%
12 Finland34.46%
13 Israel34.20%
14 United Kingdom33.64%
15 Canada31.79%
16 Belgium30.87%
17 Slovakia29.90%
18 Slovenia29.46%
19 Australia29.22%
20 New Zealand28.72%
21 Hungary28.31%
22 United States27.56%
23 France25.91%
24 Sweden24.74%
25 Turkiye21.90%
26 Iceland19.40%
27 Estonia16.43%
28 Japan 16.11%
29 Lithuania13.42%
30 Austria12.41%
31 Czech Republic10.58%

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

No data for 7 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 data31
Regression equation
Y = -0.567466 X +6.869
Correlation coefficient (r)-0.140
Coefficient of determination (R2)0.020

GDP per capita (current US$)
No. of data31
Regression equation
Y = -11858.473811 X +44978.697
Correlation coefficient (r)-0.078
Coefficient of determination (R2)0.006

Life expectancy at birth - Both sexes (years)
No. of data31
Regression equation
Y = -1.523174 X +80.259
Correlation coefficient (r)-0.058
Coefficient of determination (R2)0.003

Fertility rate, total (births per woman)
No. of data31
Regression equation
Y = -0.257255 X +1.696
Correlation coefficient (r)-0.112
Coefficient of determination (R2)0.013

Suicide, age-standardized (per 100 000 population)
No. of data31
Regression equation
Y = -8.899348 X +13.293
Correlation coefficient (r)-0.304
Coefficient of determination (R2)0.092