Initiale Validierung eines Fragebogens zu Wirkfaktoren in der Psychedelischen Therapie

Initiale Validierung eines Fragebogens zu Wirkfaktoren in der Psychedelischen Therapie

🎙 Dr. Max Wolff 👥 7K 📅 August 20, 2025 ⏱ 29 min 👁 90 📄 original study 🧭 2026-08-16
Available in: English (current) Français

Keywords

psychedelicspsychotherapycommon factorsquestionnairevalidation

Summary

Dr. Max Wolff presents the initial validation of a questionnaire designed to measure common therapeutic factors in psychedelic experiences. He argues that psychedelic therapy, being a form of psychotherapy, should be influenced by the same general change mechanisms identified by Klaus Grawe: resource activation, problem actualization, clarification, mastery, and therapeutic relationship. Since existing instruments are tied to therapist interactions, a new questionnaire (General Change Mechanisms Questionnaire, GCMQ) was developed in German and English. An online survey collected data from 1,867 non-clinical psychedelic users, who retrospectively reported a memorable psychedelic experience. Factor analysis confirmed the expected four-factor structure (excluding therapeutic relationship), with good reliabilities. Correlations with other psychedelic constructs (emotional breakthrough, oceanic boundlessness, challenging experience) were as hypothesized. Contextual factors such as intentions and setting predicted the occurrence of these factors: therapeutic intentions and therapeutic settings were positively associated, while party settings were negatively associated. Nature experiences were linked to resource activation and negatively to problem actualization. The study also found a moderating effect of resource activation on the relationship between stressful life events and well-being. Limitations include retrospective, cross-sectional design and non-clinical sample. The presenter emphasizes the potential for bridging psychedelic research and psychotherapy research, enabling the application of existing knowledge to psychedelic therapy.

204 words

Critical Evaluation

Value of the Information & Strength of the Argument

The presentation provides valuable insights by systematically applying established psychotherapy research concepts to psychedelic experiences. The argumentation is solid, grounded in a large dataset and appropriate statistical methods. The speaker clearly explains the rationale for developing a new instrument and interprets correlations in light of psychotherapy theory. The discussion of how intentions and settings influence therapeutic factors offers practical implications for preparation and integration. The acknowledgment of limitations (retrospective, cross-sectional, non-clinical) demonstrates scientific rigor.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is high: the study uses a large sample, validated psychometric methods, and builds on established theory (Grawe’s common factors). The sources are primarily the presenter’s own study and references to psychotherapy research, though specific citations are not detailed in the talk. The title accurately reflects the content, focusing on the initial validation of the questionnaire. The presentation is well-structured and transparent about limitations.

155 words

Title / Content Match

The title accurately reflects the content: the initial validation of a questionnaire on therapeutic factors in psychedelic therapy.

Quality & Reliability

8/10

The presentation is based on a large sample (N=1867) and uses established psychometric methods, but it is a retrospective survey with self-selection and no clinical sample, limiting generalizability.

Key Moments

Cited Sources

  • MIND Foundation — Organizer of the INSIGHT conference and the presenter's affiliation.

Concurring Sources

  • MIND Foundation — The organization hosting the conference and supporting the research.

Contribution & Novelties

The presentation introduces a novel questionnaire (GCMQ) that adapts common psychotherapy factors to psychedelic experiences, enabling empirical research bridging the two fields. It provides initial validation data from a large non-clinical sample, showing that these factors are relevant outside formal therapy. The findings on setting and intention effects offer practical guidance for optimizing psychedelic sessions.

Pour aller plus loin :

90 words

Radar Profile

The radar profile shows high scores in information quantity, quality, and reliability, with a slightly lower technical level, indicating a well-balanced presentation accessible to a professional audience.

Reliability 8/10