The Psychedelic Integration Scales: Tools for Measuring Psychedelic Integration Behaviors and Experiences
Frontiers in Psychology – May 23, 2022
Source: OpenAlex
Summary
Understanding the post-experience journey with psychedelics is now clearer. New psychometric scales, developed in Psychology for Psychedelics and Drug Studies, precisely measure "integration"—both behavioral engagement and internal experiences following drug administration. Rigorous psychometrics, including expert input and methods like content validity, face validity, construct validity, convergent validity, exploratory factor analysis, and confirmatory factor analysis, confirm their reliability. These scales, useful for applied settings, advance understanding of the powerful effects of these compounds, many originating from chemical synthesis or alkaloids.
Abstract
In this study, we describe the development and initial validation of two psychometric scales for measuring psychedelic integration. Psychedelic integration refers to the post-acute period of time following psychedelic drug administration. We created the Integration Engagement Scale (IES) to capture positive behavioral engagement with integration and the Experienced Integration Scale (EIS) to capture internal aspects of feeling integrated. These scales were developed to measure post-acute psychedelic administration dynamics in order to inform the creation of enhanced integration support and to help refine a general conceptual understanding of the construct of psychedelic integration. The scales are brief and face valid instruments designed for practical use in applied and research settings. Scale items were generated and refined using the Iterative Process Model of scale development, with input from psychedelics experts and clinicians. Content validity, internal structure, and reliability were assessed via expert surveys, content validity analysis, cognitive interviewing, convergent validity analysis, exploratory factor analysis, and confirmatory factor analysis. The data indicates the scales are valid and reliable measurements of the behavioral and experiential forms of Psychedelic Integration.