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Data and materials for "Accept to Change: Translation and Validation of the Acceptance/Avoidance-Promoting Experiences Questionnaire (APEQ) in an International Survey of Spanish-Speaking Psychedelic Users"

OSFMar 17, 2025

Abstract

Introduction: The Acceptance/Avoidance-Promoting Experiences Questionnaire (APEQ) is a psychometric instrument that aims to measure acceptance-related experiences (ACE) and avoidance-related experiences (AVE) that occur during altered states of consciousness induced by psychedelic substances. It is theory-based and proposes a model by which psychedelic experiences exert longer-term effects on psychological flexibility. The present study aimed to test the psychometric properties of a Spanish translation of the APEQ created for use across the diverse Spanish-speaking populations in Europe and Latin America. Material and methods: A retrospective, international survey was administered to a Spanish-speaking cohort, with a final sample comprising 715 individuals who had used psychedelics within therapeutic, ritualistic or ceremonial contexts, and who reported on one single experience occasioned by lysergic acid diethylamide (LSD), psilocybin, ayahuasca, mescaline, 3,4-methylenedioxymethamphetamine (MDMA) or ketamine. The final sample included 420 respondents living in Spain, 274 respondents living in Latin America, and 21 respondents living elsewhere. Results: The Spanish APEQ demonstrated reliable factor structure and internal consistency across scales. Indicating context-dependency, acceptance-related experiences (ACE) were positively correlated with therapeutic and growth motives, whereas avoidance-related experiences (AVE) were linked with hedonic/escapist motives. ACE also correlated with improved psychological flexibility, supporting the therapeutic potential of acceptance-related experiences during psychedelic states. Conclusion: The Spanish version of the APEQ shows good construct, criterion and cross-cultural validity, as well as internal consistency across diverse Spanish-speaking populations. The results also support that avoidance- and acceptance related psychedelic experiences are context-dependent, and that acceptance-related experiences can be conducive to psychological flexibility.

Topics & conditions

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PsilocybinMDMAKetamineLSDAyahuascaMescaline

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