Self-Efficacy and Marijuana Cessation: A Construct Validity Analysis

Hypotheses regarding the relationships between self-efficacy for avoiding marijuana use and theoretically related measures were examined in a sample of 161 men and 51 women who sought treatment aimed at marijuana cessation. Theoretically proposed sources of efficacy judgments showed stronger univari...

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Bibliographic Details
Published in:Journal of consulting and clinical psychology 1995-12, Vol.63 (6), p.1022-1031
Main Authors: Stephens, Robert S, Wertz, Jennifer S, Roffman, Roger A
Format: Article
Language:English
Subjects:
Abusers
Adult
Adults
Biological and medical sciences
Cannabis
Cannabis Use
Cognitive Behavioral Therapy
Cognitive Therapy
Construct Validity
Counseling
Desintoxication. Drug withdrawal
Drug Abuse
Drug Addiction
Drug Use
Female
Follow-Up Studies
Human
Humans
Illegal Drug Use
Internal-External Control
Intervention
Male
Marijuana
Marijuana Abuse - psychology
Marijuana Abuse - rehabilitation
Measures
Medical sciences
Personality Assessment - statistics & numerical data
Psychology
Psychology. Psychoanalysis. Psychiatry
Psychometrics
Psychopathology. Psychiatry
Self Concept
Self Efficacy
Selfefficacy
Statistical Validity
Substance Abuse
Substance abuse treatment
Treatment
Treatment Outcome
Treatments
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Summary:Hypotheses regarding the relationships between self-efficacy for avoiding marijuana use and theoretically related measures were examined in a sample of 161 men and 51 women who sought treatment aimed at marijuana cessation. Theoretically proposed sources of efficacy judgments showed stronger univariate and multivariate relationships with efficacy for avoiding marijuana use after treatment than before treatment. The cognitive-behavioral relapse prevention treatment resulted in marginally greater self-efficacy, compared with a nonbehavioral treatment, but the link between coping skill training and efficacy was ambiguous. Efficacy contributed incrementally to the prediction of posttreatment marijuana use beyond efficacy source variables, but it did not completely mediate the effects of those sources of efficacy judgments. Predictive validity was stronger for frequency of posttreatment marijuana use than for abstinence status. The need for better assessment of the efficacy construct and potential revisions in efficacy theory as applied to substance use are discussed.
ISSN:0022-006X
1939-2117
DOI:10.1037/0022-006X.63.6.1022