Correlations among problem-solving and PISA performance in maths, science and reading

Reviewing the last PISA report (2014) about “Are 15-year-olds creative problem-solvers?” available at European Schoolnet Academy (PDF) site, I found this figure: It shows the latent correlation between performance in Mathematics, Reading, Science and Problem-solving. Probably nothing unexpected in the overall data but I’d like to highlight, in my modest opinion, two noticeable correlations: Problem-solving …

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