Cacioppo acknowledged being a "paid scientific advisor" for the website, but said the researchers followed procedures provided by the Journal of the American Medical Association and agreed to oversight by independent statisticians.
People who reported meeting their spouse online tended to be age 30-49 and of higher income brackets than those who met their spouses offline, the survey found.
The convenience of online dating has exploded its popularity in recent years.
Sites like Ok Cupid and e Harmony make it possible to meet that special someone without ever having to leave your couch, while Tinder and similar apps let you browse for nearby singles right from your smartphone. have used an online dating service or dating app at some point.
The landscape of technology is constantly changing, which means so are many aspects of our lives. Before dating sites came along in the mid-1990s, most people were meeting their partners through friends, work, or classified ads in the newspaper.
One in ten Americans have used an online dating site or mobile dating app themselves, and many people now know someone else who uses online dating or who has found a spouse or long-term partner via online dating.
General public attitudes towards online dating have become much more positive in recent years, and social networking sites are now playing a prominent role when it comes to navigating and documenting romantic relationships.
"We found evidence for a dramatic shift since the advent of the Internet in how people are meeting their spouse," said the study, led by John Cacioppo of the University of Chicago's Department of Psychology.
marriages begin with online dating, and those couples may be slightly happier than couples who meet through other means, a U. The research is based on a nationally representative survey of 19,131 people who married between 20.