Development and validation of the cannabis experiences questionnaire - Intoxication effects checklist (CEQ-I) short form
Journal article
Quinn, Catherine A., Wilson, Hollie, Cockshaw, Wendell, Barkus, Emma and Hides, Leanne. (2017). Development and validation of the cannabis experiences questionnaire - Intoxication effects checklist (CEQ-I) short form. Schizophrenia Research. 189, pp. 91 - 96. https://doi.org/10.1016/j.schres.2017.01.048
Authors | Quinn, Catherine A., Wilson, Hollie, Cockshaw, Wendell, Barkus, Emma and Hides, Leanne |
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Abstract | Objective: To develop and validate a short form of the Cannabis Experiences Questionnaire - Intoxication Effects (CEQ-I), a 42-item scale which measures the euphoric and paranoid-dysphoric effects of cannabis intoxication. Method: Exploratory and confirmatory factor analyses were conducted among 604 past-month cannabis users to develop the short form. The factor structure was replicated in a second sample of 146 past-month cannabis users. The concurrent validity of the scale was also examined. Results: Consistent with previous research, two factors were identified (paranoid-dysphoric; euphoric), and were replicated with confirmatory factor analyses. The most parsimonious scale consisted of 13 items. Correlations of short-form subscales with corresponding original subscales were high. The paranoid-dysphoric subscale was also moderately positively correlated with measures of psychotic-like experiences (PLEs) and psychological distress. Conclusions: The revised and validated CEQ-I short form can be used to explore the euphoric and paranoid-dysphoric effects of cannabis intoxication in young cannabis users, and whether these experiences increase their risk of developing cannabis use and psychotic disorders. The CEQ-I short form has the potential to aid in the identification of young cannabis users at risk of the paranoid-dysphoric effects of cannabis intoxication and may assist in the development of early intervention strategies targeting cannabis users with PLEs. |
Keywords | cannabis experiences questionnaire; psychotic like experiences; psychosis; cannabis-induced; substance use; young people |
Year | 2017 |
Journal | Schizophrenia Research |
Journal citation | 189, pp. 91 - 96 |
Publisher | Elsevier B.V. |
ISSN | 0920-9964 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.schres.2017.01.048 |
Scopus EID | 2-s2.0-85011915626 |
Page range | 91 - 96 |
Publisher's version | File Access Level Controlled |
Place of publication | Netherlands |
https://acuresearchbank.acu.edu.au/item/89x87/development-and-validation-of-the-cannabis-experiences-questionnaire-intoxication-effects-checklist-ceq-i-short-form
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