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Question: You have just read a long and rather difficult two-page text about fluctuations in the water level of a lake in Africa. You have to write a summary.How do you rate the usefulness of the following strategies for writing a summary of this two-page text? - I try to copy out accurately as many sentences as possible.
Choices: 1 "Not useful at all" - 6 "Very useful"
Data: Average score
Period:
Area:
10 countries/ areas
Highlight:
1 Republic of Korea2.80
2 Japan 2.73
3 Australia2.68
4 United Kingdom2.47
4 United States2.47
6 Canada2.43
7 Sweden2.36
8 Germany2.22
9 Italy2.00
10 France1.87

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 = -0.405818 X +7.740
Correlation coefficient (r)-0.258
Coefficient of determination (R2)0.067

GDP per capita (current US$)
No. of data10
Regression equation
Y = 4089.673515 X +39905.815
Correlation coefficient (r)0.106
Coefficient of determination (R2)0.011

Life expectancy at birth - Both sexes (years)
No. of data10
Regression equation
Y = 1.558939 X +78.144
Correlation coefficient (r)0.241
Coefficient of determination (R2)0.058

Fertility rate, total (births per woman)
No. of data10
Regression equation
Y = -0.438227 X +2.515
Correlation coefficient (r)-0.482
Coefficient of determination (R2)0.232

Suicide - all ages (per 100,000 population)
No. of data10
Regression equation
Y = 10.576122 X -11.444
Correlation coefficient (r)0.539
Coefficient of determination (R2)0.291