Definition
Sex ratios are defined as the number of men per 100 women (in pre-defined age groups).
We define long-term mating as a mating strategy in which men are seeking a partner for a long-term relationship.
Introduction
Human mating strategies are not fixed but constitute facultative responses to developmental, individual- and population-level, social, and ecological circumstances. As a consequence, men’s preferences for and likelihood of engagement in long-term mating have been shown to be subject to variation across contexts (Schacht and Kramer 2016; Uggla and Mace 2017) “Sex Ratio” by D. Schmitt.
A growing body of literature identifies the sex ratio as such a contextual factor for mating behavior. The sex ratio is commonly defined as the number of men per 100 women, yet operational definitions vary across the literature. Variants include the adult sex ratio (ASR) which is calculated on the basis of age...
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Filser, A., Schnettler, S. (2019). Sex Ratio and Men’s Long-Term Mating. In: Shackelford, T., Weekes-Shackelford, V. (eds) Encyclopedia of Evolutionary Psychological Science. Springer, Cham. https://doi.org/10.1007/978-3-319-16999-6_3655-1
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DOI: https://doi.org/10.1007/978-3-319-16999-6_3655-1
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