Spouses age at the same rate: reply to H. Kokko, ‘Human parental age difference and offspring count: a comment on Fieder et al .’
نویسندگان
چکیده
منابع مشابه
Does parental age difference affect offspring count in humans? Comment on Fieder and Huber.
In a recent paper, Fieder and Huber (2007) attempt to estimate the “fitness effects” of parental age differences, to test the hypothesis that age preferences are evolutionarily acquired. The authors use modern data from the Swedish Total Population Registry. In their specifications, Fieder and Huber (2007) use offspring count as their dependent variable and parental age difference as an indepen...
متن کاملParental age difference and offspring count in humans.
Preferences for certain age characteristics of partners are reported across cultures: men prefer mates who are younger and women prefer mates older than themselves. To examine whether these age preferences entail fitness effects for men and women, we investigated the association among age differences between partners and offspring count. On the basis of a sample of approximately 10,000 post-rep...
متن کاملParental age difference, educationally assortative mating and offspring count: evidence from a contemporary population in Taiwan.
Using contemporary population data from Taiwan, we examine the relationships between parental age difference, educationally assortative mating, income and offspring count. Controlling for women's reproductive value (measured by age at first birth), we find that an older husband is associated with fewer offspring, whereas a husband with similar or higher education is associated with more offspri...
متن کاملHuman parental age difference and offspring count: and we still do not know what men or women want.
Evolutionary biology Comment Human parental age difference and offspring count: and we still do not know what men or women want Two recent studies (Fieder & Huber 2007; Helle et al. 2008) present data on optimal age differences of human couples and show a hump-shaped relationship between parental age difference and lifetime offspring count. Boyko (2008) thereafter correctly pointed out that sex...
متن کاملReply to Comment by Young et al.
Had our study been, as Young et al. imply, a data trawling exercise using hundreds of variables to look for a 'thread', then doubts about its validity might be justified. However, their account of our work bears little relationship to the methods, results or conclusions we report. For example, Young et al. claim that we used 396 tests to address our primary hypothesis. In fact, we used two. You...
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ژورنال
عنوان ژورنال: Biology Letters
سال: 2008
ISSN: 1744-9561,1744-957X
DOI: 10.1098/rsbl.2008.0082