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Question: How much do you agree with these statements about your science lessons? - My teacher is easy to understand.
Choices: "Agree a lot" "Agree a little" "Disagree a little" "Disagree a lot"
Data: % of "Agree a lot"
Period:
Area:
6 countries/ areas
Highlight:
1 United States52.3%
2 Australia41.9%
3 United Kingdom41.7%
4 Italy41.0%
5 Japan 22.8%
6 Republic of Korea16.9%

Note
United Kingdom: England only.

No data for 4 countries.

Source
TIMSS 2019 > International Database > TIMSS 2019 Data Almanacs - Grade 8

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data6
Regression equation
Y = 3.441035 X +5.345
Correlation coefficient (r)0.887
Coefficient of determination (R2)0.787

GDP per capita (current US$)
No. of data6
Regression equation
Y = 82138.252804 X +18610.924
Correlation coefficient (r)0.742
Coefficient of determination (R2)0.551

Life expectancy at birth - Both sexes (years)
No. of data6
Regression equation
Y = -15.087293 X +87.397
Correlation coefficient (r)-0.780
Coefficient of determination (R2)0.608

Fertility rate, total (births per woman)
No. of data6
Regression equation
Y = 1.849986 X +0.699
Correlation coefficient (r)0.824
Coefficient of determination (R2)0.679

Suicide - all ages (per 100,000 population)
No. of data6
Regression equation
Y = -38.152467 X +28.290
Correlation coefficient (r)-0.649
Coefficient of determination (R2)0.421