#### Dataset 1 (`ThreeCountriesPublicData.csv`)
was used in the article
J.R. Star, D. Tuomela, N. Joglar Prieto, P. Hästö, R. Palkki, M.Á. Abánades, J. Pejlare, R.H. Jiang, L. Li and R.-D. Liu (2022). Exploring students’ procedural flexibility in three countries. *International Journal of STEM Education 9*, article 4. https://doi.org/10.1186/s40594-021-00322-y
#### Dataset 2 (`ThreeCountriesByTaskPublicData.csv`)
was used in the article
R. Jiang, J. Star, P. Hästö, L. Li, R.-D. Liu, D. Tuomela, N. Joglar Prieto, R. Palkki, M. Abánades and J. Pejlare (2022). Which One Is the “Best”: A Cross-national Comparative Study of Students’ Strategy Evaluation in Equation Solving. *International Journal of Science and Mathematics Education*, to appear.
The variables of both datasets are described in the file `dataDescription.pdf` and in the mentioned articles.