ArticleFrontiers in sociology2021
In-Law Relationships in Evolutionary Perspective: The Good, the Bad, and the Ugly.
Article in Frontiers in sociology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Promoting mental wellbeing in pregnant women living in Pakistan with the Safe Motherhood-Accessible Resilience Training (SM-ART) intervention: a randomized controlled trial.BMC pregnancy and childbirth · 2024Trial
- Repercussions of patrilocal residence on mothers' social support networks among Tsimane forager-farmers.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Relatedness within and between Agta residential groups.Evolutionary human sciences · 2021Article
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2 authors.
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Abstract
In-laws (relatives by marriage) are true kin because the descendants that they have in common make them "vehicles" of one another's inclusive fitness. From this shared interest flows cooperation and mutual valuation: the good side of in-law relationships. But there is also a bad side. Recent theoretical models err when they equate the inclusive fitness value of corresponding pairs of genetic and affinal (marital) relatives-brother and brother-in-law, daughter and daughter-in-law-partly because a genetic relative's reproduction always replicates ego's genes whereas reproduction by an affine may not, and partly because of distinct avenues for nepotism. Close genetic relatives compete, often fiercely, over familial property, but the main issues in conflict among marital relatives are different and diverse: fidelity and paternity, divorce and autonomy, and inclinations to invest in distinct natal kindreds. These conflicts can get ugly, even lethal. We present the results of a pilot study conducted in Bangladesh which suggests that heightened mortality arising from mother-in-law/daughter-in-law conflict may be a two-way street, and we urge others to replicate and extend these analyses.
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