MiCBT Research (Selected Studies)

Research and Publications on Mindfulness-integrated CBT.

Development and Validation of the Equanimity Scale-16

Friday, December 20, 2019

Holly Rogers1*, Alice Shires1, 2 and Bruno Cayoun2

1 University of Technology, Sydney, NSW Australia
2 MiCBT Institute, Hobart, TAS Australia

Abstract

Objectives: Equanimity is a non-reactive attitude that is increasingly recognized as a central component of mindfulness practice and a key mechanism of mindfulness-based interventions that is currently lacking means of measurement. The present study aimed to develop a self-report measure of equanimity, explore its underlying factor structure, validity and reliability. 

Methods: Participants consisted of 223 adults from the general community (84.8% females and 66.8% males, age range = 18-75), who completed a set of online questionnaires. An initial pool of 42 items was selected from existing mindfulness questionnaires and measures of related constructs, and subsequently reviewed by researchers and selected based on majority agreement on their construct validity.

Results: In agreement with past research, exploratory factor analysis revealed two underlying factors, Experiential Acceptance and Non-reactivity. A final 16-item measure showed good internal consistency ( = .88), test-retest reliability (n=73; r = .87, p < .001) over 2-6 weeks, and convergent and divergent validity, illustrated by significant correlations in the expected direction with the Nonattachment Scale (Sahdra et al. 2010), Depression Anxiety and Stress Scale (Lovibond and Lovibond 1995), Satisfaction with Life Scale (Diener et al. 1985) and Distress Tolerance Scale (Simons and Gaher 2005).

Conclusion: Based on this initial study, the Equanimity Scale-16 appears to be a valid and reliable self-report measure, which can be used to assess trait equanimity and progress during mindfulness-based interventions, and to assist in the investigation of their underlying mechanisms.

(Submitted for publication)
*Corresponding author


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