Background: It's more important to measure the subjective perception of change after undergoing any behavioral or psychological intervention. Global rating of change method-anchor item-based is a method by which the change can be quantified and "minimum subjective perceived effect" (MSPE) can be calculated.
Aim: The current study was planned to quantify the effects of heartfulness meditation intervention in healthcare professionals by anchor-based method and compare the result with the pre-post-difference.
Methods and material: The current study was done using multimethod study design among the healthcare professionals. These were 1. Cross-sectional study design. 2. Quasi-experimental-Solomon four-nonequivalent control group study design for intervention.
Results: Cohens' d for perceived stress scale (PSS) in "Much less negative" category was -.96.
Conclusion: The study highlights the use of anchor-based method to estimate the minimal subjective perceived difference, and it can also be compared with the groups pre-post-difference for academic purposes.