training-induced change in the emotional content of the self-concept was only found after participants underwent the Perspective Module… solely the Perspective Module … was effective in inducing changes in the emotional content of the self-concept.
Empirical data from the ReSource Project demonstrate that only IFS-based perspective-taking practice—not mindfulness or compassion training—produces meaningful shifts in the emotional content of the self-concept, positioning part-identification work as uniquely transformative.
, Internal Family Systems Therapy, 1995thesis