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Detecting anomalous experiences in the community: The Transpersonal Experiences Questionnaire (TEQ)
Charles Heriot-Maitland1, Silia Vitoratou2, Emmanuelle Peters1,3
1Department of Psychology, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.
Psychology and Psychotherapy
|January 9, 2023
Summary
A new 19-item scale, the Transpersonal Experiences Questionnaire (TEQ), effectively measures anomalous experiences in the general population. It offers reliable assessment, especially for individuals with higher scores on the psychosis continuum.
Area of Science:
- Psychiatry and Psychology
- Psychosis Research
- Mental Health Assessment
Background:
- Growing interest in anomalous experiences for understanding psychosis continuum.
- Existing measures have limitations in utility for specific research designs.
- Need for a reliable, time-sensitive measure for anomalous experiences.
Purpose of the Study:
- Develop a novel measure for anomalous experiences.
- Ensure utility for longitudinal, time-sensitive research.
- Enhance reliability for individuals with high scores on the psychosis continuum.
Main Methods:
- Online recruitment of a general population sample (N=532).
- Item selection using classical test theory and item response theory.
- Psychometric evaluation including factor analysis, reliability, and validity testing.
Main Results:
- Development of the 19-item Transpersonal Experiences Questionnaire (TEQ).
- TEQ confirmed as a unidimensional scale.
- Satisfactory internal consistency (0.85), good test-retest reliability, and convergent validity.
Conclusions:
- The TEQ is a valid tool for detecting anomalous experiences in the general population.
- The scale demonstrates particular reliability for individuals with higher incidence of anomalous experiences.
- TEQ supports longitudinal research on the psychosis continuum.
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