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Addict Behav. 2020 Mar 17;107:106388. doi: 10.1016/j.addbeh.2020.106388. [Epub ahead of print]

Goal commitment evolution in a Spanish adolescent sample with cannabis use disorder.

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Children and Adolescent Mental Health Research Group, Institut de Recerca Sant Joan de Déu. Child and Adolescent Psychiatry Hospital Sant Joan de Déu of Barcelona, CIBERSAM, Spain. Electronic address:
Child and Adolescent Psychiatry Hospital Sant Joan de Déu of Barcelona, Spain.
Child and Adolescent Psychiatry Department, IMQ-AMSA, Bilbao, Spain.
Alcohol Research Center and Department of Psychiatry & Pediatrics, University of Connecticut School of Medicine, 195 Farmington Avenue, Farmington, CT 06030-6326, USA.



The treatment of adolescents with Cannabis Use Disorder (CUD) presents a variety of challenges. The identification of a patient's treatment goal might be an important predictor of cannabis consumption and a key factor when designing the intervention. This paper aims to present the psychometric properties of the Spanish version of the Adolescent Substance Abuse Goal Commitment (ASAGC) questionnaire in adolescent consumers of cannabis and to report the association of goal commitment with the treatment outcome.


A sample of 115 adolescents between 13 and 18 years old with CUD in outpatient treatment were evaluated. Psychometric properties including exploratory and confirmatory factor analysis, predictive validity, reliability and stability over time were analyzed.


ASAGC shows good psychometric properties, with excellent reliability (Cronbach's α of >0.95 for both subscales, Abstinence and Harm Reduction) at baseline and 3 and 6 months (>0.95 for both subscales) and good stability at 3 and 6 months (K = 0.572 and 0.659). Higher scores in Commitment to abstinence at baseline are associated with lower scores of THC in urine at 3 and 6 months (p < .001).


The ASAGC is a useful tool to study treatment commitment in adolescents that present a CUD. Abstinence commitment is a reliable prognostic factor. However, adolescents committed to HR remain a therapeutic challenge.


ASAGC; Addictive disorders; Adolescents; Cannabis; Goal commitment; Treatment

Conflict of interest statement

Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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