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Question: How do you rate the usefulness of the following strategies for understanding and memorising the text? - I concentrate on the parts of the text that are easy to understand.
Choices: 1 "Not useful at all" - 6 "Very useful"
Data: Average score
Period:
Area:
38 countries/ areas
Highlight:
1 Mexico3.80
2 Republic of Korea3.67
3 Japan 3.57
4 Lithuania3.55
5 Chile3.54
6 Colombia3.43
7 Turkiye3.42
7 United States3.42
9 Portugal3.40
10 Ireland3.38
11 Costa Rica3.34
12 Poland3.33
13 Australia3.32
13 Czech Republic3.32
13 Finland3.32
13 New Zealand3.32
13 Slovenia3.32
18 Greece3.29
19 Canada3.24
19 Iceland3.24
21 Hungary3.21
21 Switzerland3.21
23 Denmark3.18
23 Estonia3.18
23 Latvia3.18
26 Spain3.16
27 United Kingdom3.13
28 Norway3.09
29 Luxembourg3.05
30 France3.04
31 Israel3.03
32 Sweden3.02
33 Austria3.01
34 Slovakia3.00
35 Germany2.97
36 Belgium2.92
37 Italy2.87
38 Netherlands2.38

Note
The data of Azerbaijan are collected only in Baku. The data of China are collected only in Beijing, Shanghai, Jiangsu, and Zhejiang.

Source
OECD PISA 2018 Compendia

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data38
Regression equation
Y = -0.779705 X +9.206
Correlation coefficient (r)-0.346
Coefficient of determination (R2)0.120

GDP per capita (current US$)
No. of data38
Regression equation
Y = -36087.443942 X +161254.881
Correlation coefficient (r)-0.318
Coefficient of determination (R2)0.101

Life expectancy at birth - Both sexes (years)
No. of data38
Regression equation
Y = -4.974685 X +95.935
Correlation coefficient (r)-0.337
Coefficient of determination (R2)0.114

Fertility rate, total (births per woman)
No. of data38
Regression equation
Y = -0.213443 X +2.277
Correlation coefficient (r)-0.172
Coefficient of determination (R2)0.030

Suicide, age-standardized (per 100 000 population)
No. of data38
Regression equation
Y = 2.655246 X +1.276
Correlation coefficient (r)0.163
Coefficient of determination (R2)0.027