"We think everybody is out there doing it," says Janet Lever, a sociologist at California State University, Los Angeles, and the study's lead researcher."Well, they're not." In fact, the rate of cheating has stayed pretty consistent, according to research expert Tom W.
We're bombarded with images of infidelity in popular culture and the news, so it's no surprise we think it's a world of callous cads and desperate housewives.
About three-quarters of the survey takers say they've made a monogamous commitment, with a majority either married or remarried.
But a significant portion found it easier to make that promise than keep it.
If your partner is cheating, chances are, you have no idea.
Six in 10 cheaters believe they totally got away with their affair and another one in 10 felt their partner was suspicious, but never found out for sure.