Kokkinos, Constantinos M.
Algiovanoglou, Ioanna
Voulgaridou, Ioanna
Article History
First Online: 22 June 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study. The research received approval from the Institute of Education Policy, a scientific and consulting body authorized by the Greek Ministry of Education, Research and Religious Affairs.