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Development and preliminary validation of the Brief Self-Compassion Inventory
Kelly Chinh1,2, Wei Wu1, Shelley A Johns1,3,4
1Department of Psychology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana, United States of America.
A new Brief Self-Compassion Inventory (BSCI) was developed and validated. This 5-item measure shows excellent reliability and validity for assessing self-compassion in cancer patients.
Area of Science:
- Psychology
- Clinical Psychology
- Health Psychology
Background:
- Growing interest in self-compassion due to its links with physical and mental health.
- Existing self-compassion measures have conceptual and psychometric limitations.
- Need for a reliable and valid self-compassion assessment tool.
Purpose of the Study:
- To develop the Brief Self-Compassion Inventory (BSCI).
- To evaluate the psychometric properties of the BSCI.
- To provide a brief, reliable measure of self-compassion.
Main Methods:
- Item development based on theory, prior research, and patient/expert feedback.
- Psychometric testing of the BSCI with 404 adult cancer patients (breast, gastrointestinal, lung, prostate).
- Confirmatory factor analysis, reliability testing, construct validity assessment, and measurement invariance testing.
Main Results:
- Confirmatory factor analysis supported a unidimensional structure for the BSCI.
- The BSCI demonstrated excellent internal consistency reliability.
- Construct validity was confirmed through correlations with mindfulness, cancer acceptance, and coping strategies.
- Measurement invariance confirmed BSCI's suitability across diverse patient demographics and cancer types.
Conclusions:
- The 5-item BSCI is a psychometrically sound measure.
- The BSCI is suitable for use with adults across various genders, cancer types, and disease stages.
- Further testing in nonclinical and other medical populations is recommended.
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