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The Scientific Flaws of Online Dating Sites

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Filed: Country: Philippines
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A series of studies spearheaded by our co-author Paul Eastwick has shown that people lack insight regarding which characteristics in a potential partner will inspire or undermine their attraction to him or her (see here, here, and here ). As such, singles think they’re making sensible decisions about who’s compatible with them when they’re browsing profiles, but they can’t get an accurate sense of their romantic compatibility until they’ve met the person face-to-face (or perhaps via webcam; the jury is still out on richer forms of computer-mediated communication). Consequently, it’s unlikely that singles will make better decisions if they browse profiles for 20 hours rather than 20 minutes.

The straightforward solution to this problem is for online dating sites to provide singles with the profiles of only a handful of potential partners rather than the hundreds or thousands of profiles that many sites provide. But how should dating sites limit the pool?

Here we arrive at the second major weakness of online dating: the available evidence suggests that the mathematical algorithms at matching sites are negligibly better than matching people at random (within basic demographic constraints, such as age, gender, and education). Ever since eHarmony.com, the first algorithm-based matching site, launched in 2000, sites such as Chemistry.com, PerfectMatch.com, GenePartner.com, and FindYourFaceMate.com have claimed that they have developed a sophisticated matching algorithm that can find singles a uniquely compatible mate.

These claims are not supported by any credible evidence. In our article, we extensively reviewed the procedures such sites use to build their algorithms, the (meager and unconvincing) evidence they have presented in support of their algorithm’s accuracy, and whether the principles underlying the algorithms are sensible. To be sure, the exact details of the algorithm cannot be evaluated because the dating sites have not yet allowed their claims to be vetted by the scientific community (eHarmony, for example, likes to talk about its “secret sauce”), but much information relevant to the algorithms is in the public domain, even if the algorithms themselves are not.

From a scientific perspective, there are two problems with matching sites’ claims. The first is that those very sites that tout their scientific bona fides have failed to provide a shred of evidence that would convince anybody with scientific training. The second is that the weight of the scientific evidence suggests that the principles underlying current mathematical matching algorithms—similarity and complementarity—cannot achieve any notable level of success in fostering long-term romantic compatibility.

It is not difficult to convince people unfamiliar with the scientific literature that a given person will, all else equal, be happier in a long-term relationship with a partner who is similar rather than dissimilar to them in terms of personality and values. Nor is it difficult to convince such people that opposites attract in certain crucial ways.

The problem is that relationship scientists have been investigating links between similarity, “complementarity” (opposite qualities), and marital well-being for the better part of a century, and little evidence supports the view that either of these principles—at least when assessed by characteristics that can be measured in surveys—predicts marital well-being. Indeed, a major meta-analytic review of the literature by Matthew Montoya and colleagues in 2008 demonstrates that the principles have virtually no impact on relationship quality. Similarly, a 23,000-person study by Portia Dyrenforth and colleagues in 2010 demonstrates that such principles account for approximately 0.5 percent of person-to-person differences in relationship well-being.

To be sure, relationship scientists have discovered a great deal about what makes some relationships more successful than others. For example, such scholars frequently videotape couples while the two partners discuss certain topics in their marriage, such as a recent conflict or important personal goals. Such scholars also frequently examine the impact of life circumstances, such as unemployment stress, infertility problems, a cancer diagnosis, or an attractive co-worker. Scientists can use such information about people’s interpersonal dynamics or their life circumstances to predict their long-term relationship well-being.

But algorithmic-matching sites exclude all such information from the algorithm because the only information those sites collect is based on individuals who have never encountered their potential partners (making it impossible to know how two possible partners interact) and who provide very little information relevant to their future life stresses (employment stability, drug abuse history, and the like).

So the question is this: Can online dating sites predict long-term relationship success based exclusively on information provided by individuals—without accounting for how two people interact or what their likely future life stressors will be? Well, if the question is whether such sites can determine which people are likely to be poor partners for almost anybody, then the answer is probably yes.

Indeed, it appears that eHarmony excludes certain people from their dating pool, leaving money on the table in the process, presumably because the algorithm concludes that such individuals are poor relationship material. Given the impressive state of research linking personality to relationship success, it is plausible that sites can develop an algorithm that successfully omits such individuals from the dating pool. As long as you’re not one of the omitted people, that is a worthwhile service.

But it is not the service that algorithmic-matching sites tend to tout about themselves. Rather, they claim that they can use their algorithm to find somebody uniquely compatible with you—more compatible with you than with other members of your sex. Based on the evidence available to date, there is no evidence in support of such claims and plenty of reason to be skeptical of them.

For millennia, people seeking to make a buck have claimed that they have unlocked the secrets of romantic compatibility, but none of them ever mustered compelling evidence in support of their claims. Unfortunately, that conclusion is equally true of algorithmic-matching sites.

Without doubt, in the months and years to come, the major sites and their advisors will generate reports that claim to provide evidence that the site-generated couples are happier and more stable than couples that met in another way. Maybe someday there will be a scientific report—with sufficient detail about a site’s algorithm-based matching and vetted through the best scientific peer process—that will provide scientific evidence that dating sites’ matching algorithms provide a superior way of finding a mate than simply selecting from a random pool of potential partners. For now, we can only conclude that finding a partner online is fundamentally different from meeting a partner in conventional offline venues, with some major advantages, but also some exasperating disadvantages.

http://www.scientificamerican.com/article.cfm?id=scientific-flaws-online-dating-sites&page=3

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Why would anyone ever mess with one of those sites unless they were super ####### retentive. Buy a R/T ticket to Kyiv, Ukraine and call it good.


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"I want to take this opportunity to mention how thankful I am for an Obama re-election. The choice was clear. We cannot live in a country that treats homosexuals and women as second class citizens. Homosexuals deserve all of the rights and benefits of marriage that heterosexuals receive. Women deserve to be treated with respect and their salaries should not depend on their gender, but their quality of work. I am also thankful that the great, progressive state of California once again voted for the correct President. America is moving forward, and the direction is a positive one."

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Filed: Citizen (apr) Country: Ukraine
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Why would anyone ever mess with one of those sites unless they were super ####### retentive. Buy a R/T ticket to Kyiv, Ukraine and call it good.

:lol:

Yes, and non Ukrainian women in a relationship should buy their partner a ticket and if he comes back...he really loves you.


VERMONT! I Reject Your Reality...and Substitute My Own!

Gary And Alla

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Filed: Country: United Kingdom
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Why would anyone ever mess with one of those sites unless they were super ####### retentive. Buy a R/T ticket to Kyiv, Ukraine and call it good.

Too far. In NYC, dating a person from another borough is considered a long distance relationship.


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Too far. In NYC, dating a person from another borough is considered a long distance relationship.

:lol:


sigbet.jpg

"I want to take this opportunity to mention how thankful I am for an Obama re-election. The choice was clear. We cannot live in a country that treats homosexuals and women as second class citizens. Homosexuals deserve all of the rights and benefits of marriage that heterosexuals receive. Women deserve to be treated with respect and their salaries should not depend on their gender, but their quality of work. I am also thankful that the great, progressive state of California once again voted for the correct President. America is moving forward, and the direction is a positive one."

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Filed: Citizen (apr) Country: Ukraine
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Too far. In NYC, dating a person from another borough is considered a long distance relationship.

Because they speak different languages it seems that way


VERMONT! I Reject Your Reality...and Substitute My Own!

Gary And Alla

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Because they speak different languages it seems that way

I know a few people in Jersey and when they have to go two exits down the turnpike they make it sound like their taking a trip to Florida. It's like a big deal for them whenever they leave their neighborhood.


sigbet.jpg

"I want to take this opportunity to mention how thankful I am for an Obama re-election. The choice was clear. We cannot live in a country that treats homosexuals and women as second class citizens. Homosexuals deserve all of the rights and benefits of marriage that heterosexuals receive. Women deserve to be treated with respect and their salaries should not depend on their gender, but their quality of work. I am also thankful that the great, progressive state of California once again voted for the correct President. America is moving forward, and the direction is a positive one."

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People & Relationships

Nice


sigbet.jpg

"I want to take this opportunity to mention how thankful I am for an Obama re-election. The choice was clear. We cannot live in a country that treats homosexuals and women as second class citizens. Homosexuals deserve all of the rights and benefits of marriage that heterosexuals receive. Women deserve to be treated with respect and their salaries should not depend on their gender, but their quality of work. I am also thankful that the great, progressive state of California once again voted for the correct President. America is moving forward, and the direction is a positive one."

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Why would anyone ever mess with one of those sites unless they were super ####### retentive. Buy a R/T ticket to Kyiv, Ukraine and call it good.

That's all good for men but what abt us ladies? And don't you dare say a RT ticket to the middle east or Africa!

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That's all good for men but what abt us ladies? And don't you dare say a RT ticket to the middle east or Africa!

Good question. I would say one of the RUB countries but a lot of those guys are like their booze a bit too much. I gotta think on this one.


sigbet.jpg

"I want to take this opportunity to mention how thankful I am for an Obama re-election. The choice was clear. We cannot live in a country that treats homosexuals and women as second class citizens. Homosexuals deserve all of the rights and benefits of marriage that heterosexuals receive. Women deserve to be treated with respect and their salaries should not depend on their gender, but their quality of work. I am also thankful that the great, progressive state of California once again voted for the correct President. America is moving forward, and the direction is a positive one."

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Filed: Citizen (apr) Country: Ukraine
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I know a few people in Jersey and when they have to go two exits down the turnpike they make it sound like their taking a trip to Florida. It's like a big deal for them whenever they leave their neighborhood.

It takes 9 hours to go two exits on the turnpike.


VERMONT! I Reject Your Reality...and Substitute My Own!

Gary And Alla

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