"It is very very difficult, if not impossible, to predict initial chemistry using variables assessed before two people meet each other," said study co-author Paul Eastwick, an assistant professor at the University of Texas at Austin.

"The algorithms are not scientifically valid and are extremely unlikely to generate compatible matches." In other words, matchmaking sites simply can't account for how two people will get along in person — chemistry, if you will.

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From DNA testing to personalized matchmaking, there's no shortage of services promising to help you find love — for a price.

But for those of us looking to go a cheaper route, there's a solution: the internet.

Remember the days of yore when people would actually meet, face-to-face, share a drink, share a laugh, maybe share a little more, and then go from there? Online, it's a little tougher to weed out the bad ones.

Over the radar You can no longer tell if a guy is into you or just wants to get in— … If you saw a sleazebag in person, you'd know right away, be it by the way he looks at you, the attempted swagger he has (but shouldn't), and the tone he uses when speaking to you.

You know the ones where they are depicted as: While there are folks who do perpetuate those stereotypes, there are millions of other singles who do not and if you want to meet them, why not try a dating site in the USA?

As a member of an online dating site that is dedicated to helping you meet American singles, you’ll quickly learn that not all everyone is like that in the USA dating an American seems a little more appealing, doesn’t it?

Take the 2012 article Online Dating: A Critical Analysis From the Perspective of Psychological Science.

The study's authors sifted through decades of research about what makes people romantically compatible.

I have always been a little skeptical of online dating, mostly because I have terrible trust issues and pretty much think that every guy is a potential a-hole.