The sample was made up of 304 undergraduate students of
the Democritus University of Thrace, Greece originating from various parts of the country, both urban and rural. Out of them 139 were men and 165 women with mean age = 20.8
years (SD = 2.7). Participants were students of History, Greek literature, social administration, economics, law, medicine, civil and electronic engineering and architecture.
Participants were selected randomly, they participated voluntarily and they completed the questionnaires during their classes. Data were collected in March 2014.