Technique
1806 self-report questionnaires had been administered in 101 classrooms from additional and schools that are high Cluj-Napoca, Romania, in November 2007. Approval to conduct the study had been obtained through the school that is local and through the principals of every college contained in the test. Moms and dads had been informed through the instructors as well as the pupils’ permission had been additionally required for taking part in the study.