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Abstract Objectives Meditation is increasingly popular, and yet studies of meditation-related adverse effects, or experiences of unusual psychological states, have mostly focused on those of extremely unpleasant or pleasant nature, respectively, despite the wide range of possible experiences. We aimed to create an instrument to capture meditation-related experiences of varied intensity and subjective valence. Method We collected detailed data from 886 US meditators after screening over 3000 individuals to generate a sample representative of major types of meditation practices and experience levels. Participants answered questions about meditation history, mental health, and 103 meditation-related experiences identified for the development of the Inventory of Meditation Experiences (IME). Results Parallel analysis guided the eventual determination of factors; exploratory and confirmatory factor analysis yielded good model-to-data fit on a 30-item, 3-factor version of the scale. The total scale and subscales showed expected correlations with measures of adverse effects, meditation characteristics, and mental health symptoms. Analysis indicated utility in examining experience intensity and valence as potentially distinct or combined features of experiences. Conclusions The IME is a psychometrically valid tool that may prove useful to assess a variety of meditation-related experiences that account for both the intensity and subjective valence of those experiences. Preregistration While several hypotheses were preregistered ( https://osf.io/r8beh/ ), the present study pertains only to the development and validation of the instrument.
Dam et al. (Sat,) studied this question.