Text and Data Mining valid from 2017-05-25
First Online: 25 May 2017
Compliance with Ethical Standards
: The study did not get any financial support.
: Author MAY (Mehmet Ali Yıldız) declares that he has no conflict of interest. Author BD (Baki DUY) declares that he has no conflict of interest.
: Before distributing the measures, all candidate participants were informed about the study, and asked parental approval from their parents. Hence, school principals were also asked for permission to carry out the study. Thus, informed consent was obtained from all individual participants included in the study.