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Question: How do you rate the usefulness of the following strategies for understanding and memorising the text? - I read the text aloud to another person.
Choices: 1 "Not useful at all" - 6 "Very useful"
Data: Average score
Period:
Area:
10 countries/ areas
Highlight:
1 Republic of Korea3.66
2 Japan 3.30
3 Italy3.22
4 Sweden2.92
5 France2.84
6 Australia2.83
7 United States2.81
8 Canada2.75
8 United Kingdom2.75
10 Germany2.65

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 data10
Regression equation
Y = -1.294475 X +10.614
Correlation coefficient (r)-0.859
Coefficient of determination (R2)0.738

GDP per capita (current US$)
No. of data10
Regression equation
Y = -24723.893504 X +123237.435
Correlation coefficient (r)-0.668
Coefficient of determination (R2)0.446

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = 3.402399 X +71.775
Correlation coefficient (r)0.550
Coefficient of determination (R2)0.303

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = -0.721414 X +3.607
Correlation coefficient (r)-0.829
Coefficient of determination (R2)0.687

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = 11.977371 X -21.639
Correlation coefficient (r)0.639
Coefficient of determination (R2)0.408