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Chapter 362Multimodal attractiveness and date outcomePartial effectsTo determine the relationship between multimodal attractiveness ratings and date outcome, we used a Bayesian mixed model with a Bernoulli distribution (Supplementary Table 11; Figure 1; see Appendix G for model stability checks). We found a robust positive association between visual attractiveness rating and date outcome, meaning that participants were more likely to indicate they wanted to go out again with individuals that they had rated as visually attractive (Figure 1). This pattern was apparent for both male (MdnOR = 3.09 [0.62], 89% CrI [2.31; 4.40], pd = 1.00, d = 0.62 [0.11]) and female (MdnOR = 2.25 [0.40], 89% CrI [1.71; 3.06], pd= 1.00, d = 0.45 [0.10]) participants. While the effect was slightly stronger for males, the difference between males and females was not robust (MdnOR = 1.38 [0.32], 89% CrI [0.96; 2.03], pd = 0.92, d = 0.18 [0.13]).With regard to auditory attractiveness (Figure 1), we found a small positive association for males, suggesting that men were more likely to want to go on another date with women whose voices they rated as attractive (MdnOR = 1.31 [0.22], 89% CrI [0.99; 1.72], pd = 0.94, d = 0.15 [0.10]). For females, on the other hand, no robust pattern emerged (MdnOR = 1.17 [0.20], 89% CrI [0.89; 1.55], pd = 0.82, d = 0.08 [0.09]). In addition, we found no robust sex difference in the importance of auditory attractiveness (MdnOR = 1.12 [0.25], 89% CrI [0.78; 1.61] pd = 0.69, d = 0.06 [0.12]).For olfactory attractiveness, however, we found an opposite pattern (Figure 1). For males, we found no clear directional effect of olfactory attractiveness on date outcome (MdnOR = 0.93 [0.14], 89% CrI [0.73; 1.18], pd = 0.69, d = 0.04 [0.08]), while we found a robust but small negative association for females (MdnOR= 0.73 [0.11], 89% CrI [0.57; 0.92], pd = 0.99, d = 0.17 [0.18]). This indicates that women were slightly less likely to want to meet again with men they rated as smelling attractive. While the effect for women was stronger than for men, the sex difference was not robust (MdnOR = 1.27 [0.25], 89% CrI [0.93; 1.75], pd = 0.89, d = 0.13 [0.11]).Independent effectsBecause some of the ratings showed some correlation between modalities, and visual attractiveness was such a strong predictor in the partial effects model, we also explored the correlation between attractiveness rating and date outcome using independent models per modality (Table 2; Supplementary Table 7). We Tom Roth.indd 62 08-01-2024 10:41