Kin Investment Biases of Grandparents, Aunts and Uncles in Germany, Greece and the Usa: Evolutionary Interpretations of Different Kin Caregiving Behavior
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Kin Relationships and the Caregiving Biases of Grandparents, Aunts, and Uncles : A Two-Generational Questionnaire Study.
Paternity certainty and matrilineal family ties have been used to explain the asymmetric caregiving of grandparents and aunts and uncles. The proximate mechanisms underlying biased kin investment, however, remain unclear. A central question of the study presented here was whether the parent-kin relationship is an important link in the caregiving. In a two-generational questionnaire study, we as...
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