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Fig. 6 | BMC Psychiatry

Fig. 6

From: A Sequential Multiple Assignment Randomized Trial (SMART) study of medication and CBT sequencing in the treatment of pediatric anxiety disorders

Fig. 6

Tests of Mediation. X = Treatment. M = Proposed Mediator. Y = 24-week outcomes. a = coefficient for correlation of X with M (M = aX). b = coefficient for correlation of M with Y (Y = bM). Y = c X = c’ + ab (the total effect of X on Y). M = a X (the effect of X on M). Y = c’ X + b M (direct effect of X on Y). a x b (mediation effect). Algebraic sign of a x b x c (type of mediation – complementary or suppressive)

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