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/
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