3.4. Procedure
After coordination with the center management, 2 volunteer
groups were formed with 25 members in each,from metamphetamine consumers with depression
symptoms (confirmed diagnosis of depression disorder).
To evaluate the effectiveness of the intervention, a pretest
was taken from both groups. Then, in 8 sessions, HTP was
performed on the experimental group and at the end of
the intervention, all subjects participated in the posttest.
Inclusion criteria of research were as follows: use of
amphetamines, diagnosis of depression, willingness to
participate, and being 18 to 25 years old. Also exclusion
criteria of research were twice absence from training
HTP sessions and use of other psychoactive substances or
drugs during the course. In the present study, the experimental
group (amphetamines consumers with depressive
symptoms) was under the supervision of a psychiatrist
and did not take antidepressants. The HTP started 1
month after discontinuation of Amphetamine use.