Self-Efficacy Scales- Drug Abstinence

Drug Abstinence Self-efficacy Scale 20 items
1.    When I am in agony because of stopping or withdrawing from drug use.
2.    When I have a headache.  
3.    When I am feeling depressed.
4.    When I am on vacation and want to relax.
5.    When I am concerned about someone.
6.    When I am worried.
7.    When I have the urge to use drugs to see what happens.
8.    When I am being offered drugs in a social situation.
9.    When I dream about using drugs.
10.When I want to test my will power over using drugs.
11.When I am feeling a physical need or craving for drugs.
12.When I am physically tired.
13.When I am experiencing some physical pain or injury.
14.When I feel like blowing up because of frustration.
15.When I see others using drugs at a bar or a party.
16.When I sense everything is going wrong for me.
17.When people I used to use drugs with encourage me to use drugs.
18.When I am feeling angry inside.  
19.When I experience an urge or impulse to use drugs that catches me unprepared.
20.When I am excited or celebrating with others.
Drug Abstinence Self-efficacy Scale 12 items
1.    When I am feeling depressed.
2.    When I am concerned about someone.
3.    When I am worried.
4.    When I have the urge to use drugs to see what happens.
5.    When I want to test my will power over using drugs.
6.    When I am feeling a physical need or craving for drugs.
7.    When I am physically tired.
8.    When I am experiencing some physical pain or injury.
9.    When I feel like blowing up because of frustration.
10.When I see others using drugs at a bar or a party.
11.When people I used to use drugs with encourage me to use drugs.
12. When I am excited or celebrating with others.
 
The Transtheoretical Model (TTM; Prochaska & DiClemente‚ 1983; Prochaska‚ DiClemente‚ & Norcross‚ 1992)
 
Negative Affect (.92)‚ Social/Positive (.92)‚ Physical and Other Concerns (.87)‚ Withdrawal/Urges (.89) “Hiller‚ et. Al‚ 2000”
 
1=Not at all confident‚ 2=Not very confident‚ 3=Moderately confident‚ 4=Very confident‚ 5=Extremely confident
20 Item Version
·         Negative Affect 3‚ 6‚ 14‚ 16‚ 18
·         Social/Positive          4‚ 8‚ 15‚ 17‚ 20
·         Physical and Other Concerns 2‚ 5‚ 9‚ 12‚ 13
·         Cravings and Urges 1‚ 7‚ 10‚ 11‚ 19
12 Item Version
·         Negative Affect 1‚ 3‚ 9
·         Social/Positive 10‚ 11‚ 12
·         Physical and Other Concerns 2‚ 7‚ 8
·         Cravings and Urges 4‚ 5‚ 6
 
This instrument can be found at: http://habitslab.umbc.edu/self-efficacy-scales/
 

DiClemente‚ C. C. (1986). Self-Efficacy and the addictive behaviors. Journal of Social and Clinical Psychology‚ 4‚ 302-315.

Velicer‚ W.F.‚ DiClemente‚ C.C.‚ Rossi‚ J. S.‚ Prochaska‚ J. O. (1990). Relapse situations  and self-efficacy: An integrative model. Addictive Behaviors‚ 15‚ 271-283.

Hiller‚ M.L.‚ Broome‚ K.M.‚ Knight‚ K.‚ and Simpson‚ D.D. (2000). Measuring self-  efficacy among drug-involved probationers. Psychological Reports‚ 86‚ 529-538.

Velasquez‚ M.M.‚ Maurer‚ G.‚ Crouch‚ C.‚ & DiClemente‚ C.C. (2001). Group Treatment for Substance Abuse: A Stages-of-Change Therapy Manual. New York‚ NY: Guildford Publications

DiClemente‚ C.C.‚ Nidecker‚ M.‚ & Bellack‚ A.S. (2008). Motivation and the stages of change among individuals with severe mental illness and substance abuse disorders. Journal of Substance Abuse Treatment‚ 34(1)‚ 25-35.

Nidecker‚ M.‚ DiClemente‚ C.C.‚ Bennett‚ M.E.‚ & Bellack‚ A.S. (2008). Application of the Transtheoretical Model of change: Psychometric properties of leading measures in patients with co-occuring drug abuse and severe mental illness. Addictive Behaviors‚ 33(8)‚ 1021-1030.

Werch‚ C.E.‚ & DiClemente‚ C.C. (1994). A multi-component stage model for matching drug prevention strategies and messages to youth stage of use. Health Education Research‚ 9‚ 37-46.