You can't always get what you want: size assortative mating by mutual mate choice as a resolution of sexual conflict.

Results Size preferences in computer animations Male mate choice Males showed a highly significant preference for the larger female stimulus in each treatment (small vs. medium: n = 19, z = 3.601, p < 0.001; small vs. large: z = -4.087, n = 21, p < 0.001; medium vs. large: n = 24, z = -2.754, p = 0.006; Fig. 1 ).

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