Modeling the mindfulness-to-meaning theory's mindful reappraisal hypothesis: Replication with longitudinal data from a randomized controlled study.

The Mindfulness to Meaning Theory provides a detailed process model of the mechanisms by which mindfulness may promote well-being. Central to the Mindfulness to Meaning Theory is the mindful reappraisal hypothesis (MRH), which suggests mindfulness training promotes well-being by facilitating positive reappraisal. Emerging evidence from interconnected domains of research supports the MRH. However, it remains unclear whether mindful reappraisal continues to develop after a mindfulness training course and whether this continued development encourages well-being over time. As such, this randomized controlled study compared participants receiving a mindfulness-based stress reduction (MBSR) course with participants receiving no mindfulness training on positive reappraisal use and well-being over the course of 6 years. Latent growth curve modeling revealed that mindfulness training increased well-being by significantly increasing the trajectory of positive reappraisal over time. The MRH was then unpacked by examining whether MBSR also stimulated decentering and broadened awareness, core components of the MRH. Multivariate path analysis revealed that mindfulness training increased decentering, which in turn broadened awareness, which was then associated with positive reappraisal, ultimately promoting well-being. Taken together, these findings suggest that MBSR cultivates a downstream cascade of adaptive psychological processes that continue to promote quality of life 6-years after mindfulness training.