期刊论文详细信息
Evolutionary Psychology
Human Kin Investment as a Function of Genetic Relatedness and Lineage:
Gregory D. Webster1 
关键词: Altruism;    Genetic relatedness;    Inclusive fitness;    Kin investment;    Lineage;    Multilevel modeling;    Prosocial behavior;    Resource allocation;   
DOI  :  10.1177/147470490400200119
学科分类:社会科学、人文和艺术(综合)
来源: Sage Journals
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【 摘 要 】

Two independent samples of students were asked to allocate fictional lotteries of varying dollar amounts to their blood relatives. In both studies, a reliable genetic relatedness by lineage interaction emerged, such that the genetic effect was a more positive predictor of percent of money allocated for relatives of a direct lineage (e.g., parents, grandparents) than it was for peripheral relatives (e.g., siblings, aunts and uncles). In a third study, this interaction was replicated in an archival analysis of wills. The implications of accounting for differences in relatives' lineages in studies of kin investment are discussed.

【 授权许可】

CC BY-NC   

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