Journal article

Development and Validation of the Balanced Inventory of Mindfulness-Related Skills (BIMS)

Nicholas T Van Dam, Zarina Rovane Bilgrami, Tory A Eisenlohr-Moul

Center for Open Science

Abstract

Despite a number of psychometric limitations, the Five Facet Mindfulness Questionnaire (FFMQ) is one of the most widely used measures of mindfulness. Despite its potential to guide improvement of the scale, no multidimensional item response theory (IRT) analysis of the FFMQ has been conducted to date. The present studies fit competing Confirmatory Factor models to different versions of the FFMQ. A 23-item short-form of the FFMQ exhibited the most robust model-to-data fit, however, polytomous bifactor IRT exhibited poor properties, suggesting the need for scale revision. The authors undertook content revision, creating the Balanced-Inventory of Mindfulness-related Skills (BIMS). The BIMS used..

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