Table 2. Demographic Information of the Participants^a.

Demographic Information	Experiment	Control
N	12	13
Age of students	14.5 ± 4.3	14.3 ± 4.9
Age of parents	42.3 ± 5.5	44.6 ± 5.3
Parent’s education, y	13.3	12.9
Socio-economic level	Middle class	Middle class
History of psycho/pharmaco therapy	None	None

^aValues are expressed as mean ± SD.