Buss (1989), who surveyed over 10,000 adults in 33 countries. Buss found that females universally put more importance on resource-related characteristics in a partner, such as ambition, high intelligence and good financial prospects. Males, however, preferred younger mates and put more value on signs of a female’s ability to reproduce, such as attractiveness and modesty
supports mate preferences - men were found to value reproductive indicators, females value resource potential. Men prefer younger women possibly due to greater fertility
However research may lack validity as it is based on questionnaires which show preferences but not what happens in real life
yet real life studies also support evolutionary predictions - study on marriages in 29 cultures showed men choosing younger women
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Cultural bias – Bus’s research may not have been representative. It was a large scale survey yet it underrepresented rural and less well educated individuals
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Furthermore an analysis of 37 cultures found that women valued potential mates access to resources far more in those cultures where women’s status and educational opportunities were limited
Suggesting that their reliance on men providing security and resources is due to cultural limitations rather than evolutionary preferences