Do Data from Large Personal Networks Support Cultural Evolutionary Ideas about Kin and Fertility?

The fertility decline associated with economic development has been attributed to a host of interrelated causes including the rising costs children industrialization, and shifts in family structure. One hypothesis is that kin may impart more pro-natal information within their networks than non-kin, this effect be exacerbated high kin-density where greater social conformity would expected. In study, we tested these ideas using large personal (25 associates respondent) collected from sample Dutch women (N = 706). Kin (parents) were perceived exert slightly pressure have although dense not pressure. contrast, reported talking friends about having extent kin, network increased likelihood reporting they could talk children. Both consanguineal affinal asked help child-care other non-kin. Overall, there was mixed evidence likely offer better suggest considered source support.