People of similar desirability are most likely to pair up and have long-lasting and successful relationships, according to new research.

Sean Prall, an assistant professor of anthropology at the University of Missouri, traveled to northwest Namibia in southern Africa to study the behavior of Himba, a group of semi-nomadic agro-pastoralists. There he found that not only are people who are similarly desirable more likely to enter into a relationship, but they are also more likely to experience success within that relationship.

While in northern Namibia, he interviewed people about the desirability of others in the community. With this information, they estimated everyone’s “mate value,” a metric describing how likely people are to want to be in a relationship with someone. They then analyzed their relationship status.

They found people with similar mate values were more likely to enter into a relationship with each other, and they also had better relationship outcomes. Prall says this is different than most research about desirability as it focuses on people’s actions and less on their stated preference, which social pressures can influence.

“We were interested in this because much of the anthropological work on human mating patterns are based on only people’s preferences,” Prall says. “This research focuses on people’s actions. Sure, you might say you’d prefer someone that’s deemed really desirable, but that’s heavily impacted by societal norms. What do you do in that relationship? How does it actually go? That was what we were looking at.”

Before the COVID-19 pandemic in 2019, Prall and his research partner, Brooke Scelza, a professor of anthropology at the University of California, Los Angeles, would spend more than a month each summer living with Himba pastoralists to research human behavior.

Prall has spent five years studying the population. During that time, he and his team have analyzed data about marriage, parenting decisions, child health, food insecurity, and even how choosy people are with their partners.

While much of his prior research is specific to this population, Prall says the findings from this study can be applied to a broader context. He says the characteristics of the population were perfect for the type of information they were gathering.

“This was a great population to look at these questions because everyone knows each other and most date and marry within the population,” Prall says.

“You can ask them how much they’d like to be in a relationship with a specific person because they actually know that person. That’s how people have been partnering up for thousands and thousands of years, not online, but with people in your community.”

The research appears in Science Advances.

Source: University of Missouri



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