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Competitiveness, risk taking, and violence: the young male syndrome
Abstract Sexual selection theory suggests that willingness to participate in risky or violent competitive interactions should be observed primarily in those age-sex classes that have experienced the… Expand
Life expectancy, economic inequality, homicide, and reproductive timing in Chicago neighbourhoods
Abstract In comparisons among Chicago neighbourhoods, homicide rates in 1988-93 varied more than 100-fold, while male life expectancy at birth ranged from 54 to 77 years, even with effects of… Expand
Male sexual jealousy
Abstract Sexual jealousy functions to defend paternity confidence and is therefore expected to be a ubiquitous aspect of male psychology. Several lines of evidence confirm this expectation.… Expand
Evolutionary social psychology and family homicide.
Homicide is an extreme manifestation of interpersonal conflict with minimal reporting bias and can thus be used as a conflict "assay." Evolutionary models of social motives predict that genetic… Expand
Spousal Homicide Risk and Estrangement
Frequencies of homicide victimization of wives and husbands, while cohabiting and when separated, are reported for all spousal homicides known to the police in Canada (1974-1990), in New South Wales,… Expand
Do pretty women inspire men to discount the future?
Organisms ‘discount the future’ when they value imminent goods over future goods. Optimal discounting varies: selection should favour allocations of effort that effectively discount the future… Expand
Risk-taking, intrasexual competition, and homicide.
WHO KILLS WHOM IN SPOUSE KILLINGS? ON THE EXCEPTIONAL SEX RATIO OF SPOUSAL HOMICIDES IN THE UNITED STATES*
A hitherto unremarked peculiarity of homicide in the United States is that women kill their husbands almost as often as the reverse. For every 100 US. men who kill their wives, about 75 women kill… Expand
The Myth of Sexual Symmetry in Marital Violence
A currently fashionable claim is that violence against husbands is about as prevalent as violence against wives; spousal violence has been said to be symmetrical in its extent, severity, intentions,… Expand
Discriminative parental solicitude: A biological perspective.
The problem addressed in this paper is variability in the quality of parental care. Situational determinants of this variability are considered within the framework of evolutionary theory. Parental… Expand