Journal of psychoactive drugsJan 16, 2024

Testing the Danish Version of the Mystical Experience Questionnaire and How Setting, Dose, and Intention May Affect Results

Psychedelic Science Weekly Brief ↗PubMed ↗DOI ↗

Updated Apr 6, 2026

Abstract

A sample of 47 healthy volunteers and 1,334 recreational users indicate that the Danish version of the Revised Mystical Experiences Questionnaire (MEQ30) shows excellent internal reliability.

Internal reliability estimates for the MEQ30 were excellent across all samples.
A four-factor structure of the MEQ30 provided the best fit to the data from confirmatory factor analysis.
Higher MEQ30 total scores were correlated with greater doses of psilocybin and spiritual or religious intentions.
No correlation was found between MEQ30 scores and the setting in which the psychedelic experience occurred.
The Danish MEQ30 appears to be a valid tool for assessing mystical-type experiences among Danish speakers.

Simplified

Research suggests positive changes in both well-being and psychiatric symptoms following a psychedelic experience. One explanation may be the ability of psychedelic compounds to occasion mystical-type experiences. The Revised Mystical Experiences Questionnaire (MEQ30) is designed to assess the intensity and quality of such experiences. We examined the validity, reliability, and factor structure of a Danish translation of the MEQ30 in one sample of healthy volunteers receiving psilocybin in a laboratory setting ( = 47) and two samples of recreative users of psychedelics, in which MEQ30 was reported retrospectively through an online survey based on their most recent experience with psilocybin ( = 834) or their most memorable experience with any psychedelic ( = 500). We conducted a confirmatory factor analysis of the previously suggested factor structures, calculated alpha and omega, and tested the associations between MEQ30 total score and setting, intention and dose. We found excellent internal reliability estimates across all samples, and confirmatory factor analysis showed that a four-factor structure, had the best, fair fit to the data. We further found that the MEQ30 total score was correlated with dose and a spiritual/religious intention, but not with setting. The Danish MEQ30 seems to be a valid tool for accessing mystical-type experiences among Danish-speaking individuals. N N N

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Testing the Danish Version of the Mystical Experience Questionnaire and How Setting, Dose, and Intention May Affect Results

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