Author/s Method Sample size/Sampling type Measurements
Ana et al.[26] Quasi experiment – GMI and TAAC 101-random assignment 1.Brief symptom Inventory 18 (baseline data)
2.Number of days in out -patient treatment, 12 step meetings and visits by mental health professionals (3 month follow up)
Avants et al. [4] Quasi experiment- Low intensity enhanced standard methadone maintenance intervention (E-STD) and high intensity, socially demanding day treatment programme (DTP) 307 methadone maintenance -random assignment 1.Pre treatment interview with Structured Clinical interview for DSM-III-R
2. Addiction Severity Index (ASI)
3. Risk Assessment Battery (HIV risk behavior measurement)
4. Beck Depression Inventory (BDI)
5. State Trait Anxiety Inventory
6.Social Avoidance and Distress Scale
Barber et al. [27] Quasi experiment-Supportive Expressive Therapy (SET) and Individual Drug Counseling (IDC) 108 cocaine dependants – random assignment 1.Adherence Competence Scale for SET (ACS-SET)
2. Adherence Comptence Scale for IDC (ACS-IDC)
3.Addiction Severity Index (ASI)
4.Psychiatric severity composite score
Chong and Lopez  [42] Correlational Study – Relationship of social networks and social support to psychosocial functioning 159substance dependents - voluntary participation 1.Texas Christian University Intake Questionnaire (TCU-IQ)
2.Client Evaluation of Self and Treatment (TCU-EST)
3.Addiction Severity Index (ASI)
Crits-Christoph et al. [28] Quasi experiment –Psychosocial treatment programme 487 cocaine dependents-random assignment 1.Hamilton Rating Scale for Depression (HRSD)
2.Beck Depression Inventory (BDI)
3.Inventory Interpersonal Problems (IIP)
4.  Brief  Symptom Inventory Global Severity Index (BSI)
Crits-Cristoph et al. [27] Quasi experiment-12 step philosophy as mediator of outcome 487 cocaine dependent –random assignment 1.ASI
2.HRSD
3.Beck anxiety inventory (BAI)
4.California Psychological Inventory (CPI)
5.The Addiction Recovery Scale (ARS)
6.Belief about Substance Abuse Scale (BASAS)
7.Self-Understanding of Interpersonal Problems Scale (SUIP)
Crits-Cristoph et al. [35] Quasi-experiment – Supportive Expressive Psychodynamic Therapy (SE) and IDC 487 cocaine dependent –random assignment 1.ASI
2.HRSD
3.BAI
4. Brief Symptom Inventory
5.CPI
6.Cocaine Craving Scale
7.ARS
Lemieux [32] Correlational study – Social support among males and females in corrections- based substance abuse treatment programme (Cognitive behavioral therapy and drug education) 101 inmates  - random assignment 1.12-item Multidimensional scale of Perceived Social Support (MSPSS)
Book et al. [15] Experiment – Socially anxious substance abusers willingness to participate in group treatment programmes as compared to non -socially anxious abusers. 101 - 3 intensive outpatient treatment programmes. Treatment and control group 1.The Leibowitz social Anxiety Scale (LSAS)
2.BDI
3. The Penn State Worry Questionnaire
Table 2: Characteristics of nine psychosocial treatment studies based on the methods, sampling size and type and the measurements employed.