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Resource-rich environments may cause people to favor short-term relationships

Raghu Kshitiz

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Wealth may drive preference for short-term relationships, according to a new research. Representational image

Wealth may drive preference for short-term relationships, according to a new research conducted by Swansea University.

The research team captured the relationship preferences of 151 heterosexual male and female volunteers (75 men and 76 women) by asking them to look at pictures of 50 potential partners in a study titled ‘Mating strategy flexibility in the laboratory: Preferences for long- and short-term mating change in response to evolutionarily relevant variables’ to indicate whether they would prefer a long or short-term relationship with each.

Then, the researchers showed the participants a series of images of luxury items related to wealth, including fast cars, jewellery, mansions, and money.

After doing so, the participants were asked to revisit the images and mark them again on the basis of term for a potential relationship.

Dr Andrew G Thomas who led the research explained, “Not all people prefer long-term committed relationships. Evolutionary psychologists believe that whether someone prefers a short-term relationship over a long-term one depends partly on their circumstances, such as how difficult it might be to raise children as a single parent”.

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Researchers found that after viewing the wealthy images, both female and male participants marked more partners for short-term relationship as compared to the previous result — a stark 16 percent raise.

Thomas noted, “Importantly, when those circumstances change, we expect people to change their preferences accordingly. What we have done with our research is demonstrate this change in behaviour, for the first time, within an experimental setting.”

“After participants were given cues that the environment had lots of resources, they became more likely to select individuals for a short-term relationship”.

The researchers also found that the preferences were also changed when being faced with images of dangerous animals and infant-interaction scenarios.

The study is published in the latest issue of Evolution and Human Behaviour.

With Agency Inputs

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Relationship

Why men prefer curvy women, revealed

Gorkha Post

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NEW YORK —Why do most men prefer ladies with curvier bodies, especially sharp curvy hips? According to a study, modern man’s this preference has ancient evolutionary roots.

According to a research carried out by a team from the University of Texas (UT) at Austin and the UT – Arlington has found that for a mate, man preferred a woman with a “theoretically optimal angle of lumber curving,”  a 45.5-degree bend from back to buttocks allowing ancestral women to better support, provide for, and carry out multiple pregnancies.

“The findings enable us to conclusively show that men prefer women who exhibit specific angles of spinal bend over buttock mass,” said study’s co-author Eric Russell from the UT – Arlington in a paper published in the journal Evolution and Human Behavior.

This investigation consisted of two studies. The first looked at vertebral wedging, an underlying spinal feature that can influence the actual curve in women’s lower backs.

Around 100 men rated the attractiveness of several manipulated images showing spinal curves ranging across the natural spectrum.

Men were most attracted to images of women displaying the hypothesized optimum of 45 degrees of lumbar curvature.

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This adds growing body of evidence that beauty is not entirely arbitrary or “according to the viewer” as many in mainstream social sciences believed, but instead has a coherent adaptive logic, added psychology professor David Buss from the UT Austin.

“This spinal structure would have enabled pregnant women to adjust their weight over the hips,” the authors noted.

These women would have been more effective at foraging during pregnancy and less likely to suffer spinal injuries.

Thus, men who preferred these women would have had mates who were better able to provide for foetus and offspring, and who would have been the able to carry out multiple pregnancies without injury.

The second study addressed the topic of whether men prefer this angle because it reflects bigger buttocks, or whether it truly can be attributed to the angle in the spine itself.

Around 200 men were presented with groups of images of women with differing buttock size and vertebral wedging, but maintaining a 45.5-degree curve.

Men consistently preferred women whose spinal curvature was closer to optimum regardless of buttock size.

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