On the Comparison of the Effectiveness of Treatments based on Levinson and Matrix's Models in the Psychological Well-being of Drug Dependent People

At present, substance use disorders and its unpleasant consequences are among the major public health problems around the world. This study aimed to compare the effectiveness of treatments based on Levinson and Matrix's models in the psychological well-being of drug dependent people.
A quasi-experimental research design was employed for the conduct of this study. The sample size consisted of 45 male substance abusers who were selected via convenience sampling and were then randomly assigned three groups, i.e. experimental group one (n = 15), experimental group two (n = 15), and control group (n = 15). For data collection purposes, Ryff Scales of Psychological Well-Being (short-form) was used in pre-test, post-test, and follow-up stages.
The results proved the effectiveness of both methods in promoting the psychological well-being scores (P According to the obtained results, it can be concluded that Levinson's Intervention Program has been more effective than Matrixs. Thus, it is recommended that psychologists and counselors working in substance abuse treatment centers use Levinson's Intervention Program rather than Matrix's treatment method in addition to using medication for the improvement of physical symptoms to psychological well-being.