If men really are from Mars and women from Venus, Martians may be having more one-night stands. A new survey paints men as more likely than women to indulge in infidelity of the single evening variety.

Jon Hamm's character, Don Draper, of "Mad Men" bears out the perception that men more easily fall into one-night stands than women. (AP Photo/Richard Drew)

This is the suggestion of a national Monmouth University Poll on relationships.

When asked whether they thought members of both sexes would have a one-night stand if the opportunity presented itself and there was no fear of getting caught, seven in 10 respondents said most men would jump at the chance but thought only 45 percent of women would do the same.

"This was not about women bad-mouthing men.  Men shared the same opinion," said Gary Lewandowski, professor and chair of psychology at Monmouth University and co-founder of ScienceOfRelationships.com.

Lewandowski added: "Hopefully, they're wrong, because that doesn't speak very highly of men, but it is consistent with research that shows that men are higher in sociosexuality, which is a person's ability to separate love from sex. Men do tend to have more of this trait, so men potentially cheating on a partner would be consistent with high sociosexuality."