Another limitation of this study was that it was not possible todifferentiate between students studying full-time and those studyingpart-time in regular classes. In addition, the current data do not offerany information about the pedagogical staff present in classes.M.-P. Vainikainen et al. Learning and Individual Differences 56 (2017) 96–104101Furthermore, the instruction and support methods can be different indifferent classes. Studying those effects would require different dataand methods and thus goes beyond this study.