Results The behavioural comparison between the fireworks condition and the control condition demonstrated a highly significant difference in ear position (scored at the base of the ears from 1 to 5), with fireworks being associated with more backwards-directed ears (Wilcoxon signed ranks test, Z = 4.05, p = 0.0005, Cohen’s d = 0.68, Fig. 1 , Supplementary Table S2 ).
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