Enhancing the Precision of the Self-Compassion Scale Short Form (SCS-SF) with Rasch Methodology

Objectives Precise measurement of self-compassion is essential for informing well-being–related policies. Traditional assessment methods have led to inconsistencies in the factor structure of self-compassion scales. We used Rasch methodology to enhance measurement precision and assess the psychometr...

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Bibliographic Details
Published in:Mindfulness 2024-11, Vol.15 (11), p.2779-2793
Main Authors: Adu, Peter, Popoola, Tosin, Bartholomew, Emerson, Iqbal, Naved, Roemer, Anja, Jurcik, Tomas, Collings, Sunny, Aspin, Clive, Medvedev, Oleg N., Simpson, Colin R.
Format: Article
Language:English
Subjects:
Behavioral Science and Psychology
Child and School Psychology
Cognitive Psychology
Mental health
Methods
Mindfulness
Original Paper
Pediatrics
Psychology
Public Health
Quantitative psychology
Rasch model
Self compassion
Social Sciences
Validity
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Summary:Objectives Precise measurement of self-compassion is essential for informing well-being–related policies. Traditional assessment methods have led to inconsistencies in the factor structure of self-compassion scales. We used Rasch methodology to enhance measurement precision and assess the psychometric properties of the Self-Compassion Scale Short Form (SCS-SF), including its invariance across Ghana, Germany, India, and New Zealand. Method We employed the Partial Credit Rasch model to analyse responses obtained from 1000 individuals randomly selected (i.e. 250 from each country) from a total convenience sample of 1822 recruited from the general populations of Germany, Ghana, India, and New Zealand. Results The initial identification of local dependency among certain items led to a significant misfitting of the SCS-SF to the Rasch model ( χ 2 (108) = 260.26, p  
ISSN:1868-8527
1868-8535
DOI:10.1007/s12671-024-02462-y