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Development and Initial Validation of the Relaxation Sensitivity Index.

Christina M Luberto1,2, Alison C McLeish1,3, Rachel W Kallen1,4

  • 1Department of Psychology, University of Cincinnati, P.O. Box 210376, Cincinnati, OH, 45221-0376, USA.

International Journal of Cognitive Therapy
|June 21, 2021
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Summary
This summary is machine-generated.

This study developed the Relaxation Sensitivity Index (RSI) to measure fear of relaxation. The RSI is a valid and reliable tool for assessing relaxation sensitivity in clinical and research settings.

Keywords:
anxiety sensitivityconstruct validitypsychometricsrelaxation sensitivityrelaxation-induced anxiety

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Area of Science:

  • Psychology
  • Clinical Psychology
  • Psychometrics

Background:

  • Relaxation sensitivity, the fear of relaxation-related events, is a construct relevant to anxiety.
  • Existing measures may not adequately capture the multifaceted nature of this fear.

Purpose of the Study:

  • To develop and validate a self-report measure of relaxation sensitivity, the Relaxation Sensitivity Index (RSI).
  • To examine the factor structure, reliability, and validity of the RSI.

Main Methods:

  • Three independent samples of undergraduate students (N=846 total) completed self-report measures.
  • Exploratory and confirmatory factor analyses were used to assess the RSI's factor structure.
  • Internal consistency, construct validity, and predictive validity were examined through correlations with anxiety and depression measures.

Main Results:

  • Factor analyses supported a three-factor structure for the RSI: Physical, Cognitive, and Social Concerns.
  • The RSI demonstrated good internal consistency and construct validity, correlating as expected with anxiety and depression symptoms.
  • The RSI showed good predictive validity and was significantly higher in a clinical analog sample compared to a non-clinical sample.

Conclusions:

  • The Relaxation Sensitivity Index (RSI) is a valid and reliable measure.
  • The RSI may be a useful tool for assessing relaxation sensitivity in both clinical and research contexts.
  • Further research can explore the RSI's utility in diverse populations and its relationship with specific anxiety disorders.