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The revised transliminality scale: reliability and validity data from a Rasch top-down purification procedure.

R Lange¹, M A Thalbourne, J Houran

¹Illinois State Board of Education, 100 N. First St., Springfield, Illinois, 62777-0001, USA. rlange3726@aol.com

Consciousness and Cognition

|January 11, 2001

Summary

This summary is machine-generated.

This study introduces the Revised Transliminality Scale (RTS), a reliable measure of consciousness thresholds. The RTS offers a validated tool for assessing psychological phenomena, including magical ideation and mystical experiences.

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Area of Science:

Psychology
Psychometrics

Background:

William James anticipated transliminality, the tendency for psychological material to cross consciousness thresholds.
Empirical definitions were later developed by Thalbourne using a 29-item Transliminality Scale.

Purpose of the Study:

Introduce the 17-item Revised Transliminality Scale (RTS).
Address age and gender biases in previous measures.
Establish unidimensionality and reliability for assessing transliminality.

Main Methods:

Developed and validated the 17-item Revised Transliminality Scale (RTS).
Utilized Rasch criterion for unidimensionality.
Assessed reliability (alpha = .82) and correlated scores with Cattell 16PF traits.

Main Results:

The RTS is unidimensional with high reliability (.82).
It measures a hierarchy of phenomena including magical ideation, mystical experience, and absorption.
Low transliminality correlated with tough-mindedness and self-control; high scores correlated with abstractedness and openness to change.

Conclusions:

The RTS provides a psychometrically sound measure of transliminality.
Findings support the link between mental phenomena and sensory experiences.
The scale has implications for psychological test construction and understanding individual differences.