Intervention
The PYD training program lasted for 2 months and one session of 1.30 h per week. This program was previously implemented by Mazloumi et al. [A summary of the training sessions is given Table 
Content of sessions- Improving students’ attitudes and skills regarding positive identity (self-confidence, individual strength)- Improving the attitude and skills of students in recognizing emotions, self-esteem, identity, and setting goals