Hoffman and Colleagues' (2010)meta-Analysis of 39 MBSR and MBCT Studies

Hoffman and colleagues' (2010) meta-analysis of 39 MBSR and MBCT studies showed that the effect of mindfulness-based interventions on anxiety and mood symptoms was:

A) small when all groups were considered,but medium for specific anxiety and depression groups.
B) moderate when all groups were considered,but large for specific anxiety and depression groups.
C) equivalently moderate across all clinical groups or diagnoses.
D) non-significant in pain/medical groups,but moderate in anxiety and depression groups.