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Embodied Facial Emotion Processing in Autism and Social Anxiety1856in emotion recognition of sad expressions was not only reduced in the SA group compared to the NC group, estimate = -0.29, 95%CI [-0.58,-0.01], z = -2.30, p = .022, but they were also less well recognized, OR = 0.52, 95% CI [0.27, 1.00], z = -2.24, p = .025. Next to main effects of Emotion category and Group (see Table S11 in the Supplemental Material), we also observed a significant three-way interaction between Emotion category, Skin conductance and Group in the prediction of Perceived emotional intensity, F(8,3883) = 2.20, p = .025. Figure 3. Group differences in the relation between baseline-corrected, log-transformed maximum change in skin conductance during the viewing of all facial expressions and their perceived emotional intensity (standardized) by expression category, as observed in the Frequentist analysis. The significant group difference in the slope comparison is indicated by an asterisk. Stronger increases in skin conductance in response to sad expressions were significantly associated with higher Perceived emotional intensity in the SA group compared to the NC group, estimate = 0.55, 95% CI [0.07, 1.03], t(3914) = 2.60, p = .019. Slope comparisons against zero further revealed that the slope of this relation in the SA group was significantly different from 0, estimate = 0.51, 95%CI [0.09, 0.93], t(3915) = 3.11, p = 0.001, while there was no evidence for the other groups or expressions (see Figure 3). The Bayesian analysis supported this observation of a greater slope than zero across prior specifications (BF range: 4.27 %u2013 15.16), but robust evidence for slope difference between the SA and NC group was only