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Table 3 Classification of the mediation and R 2 effect-size measures

From: A mediation model of mindfulness and decentering: sequential psychological constructs or one and the same?

Type of Mediation Overall R 2 R 2 med a r 2 XY .M b r 2 MY .X c Effect-ratio
Complementary mediation      
Specific indirect      
AWJ→ASP→DEP .307 .098 .161 .099 .319
AWJ→DP→DEP .298 .100 .158 .087 .336
DES→ASP→DEP .201 .056 .032 .129 .279
DES→DP→DEP .209 .040 .050 .138 .191
Total indirect      
AWJ→ASP, DP→DEP .339 .137 .125 .140 .403
DES→ASP, DP→DEP .264 .063 .026 .198 .238
Indirect-only mediation      
Specific indirect      
AWA→ASP→DEP .174 .007 .000 .168 .040
AWA→DP→DEP .167 .007 .000 .161 .042
OBS-IN→ASP→DEP .176 -.001 .002 .176 -.006
Total indirect      
AWA→ASP, DP→DEP .245 .007 .001 .239 .028
  1. Note. a Variance explained by the mediated effect; b squared partial correlation of Y and X partialed for mediator M; c squared partialed correlation of Y and M partialed for X; symptoms of depression (DEP); Accepting Self-Perception (ASP); Distanced Perspective (DP); Describing (DES); Accepting without Judgment (AWJ); Acting with Awareness (AWA); Observing of internal phenomena (OBS-IN); Observing of external phenomena (OBS-OUT).