There couldn't possibly have really been any actual women involved in this survey.

Otherwise the first line would have read: Maybe men had it wrong all along: It's rare a man knows how to satisfy a woman.

Please don't throw sharp pointy objects at me, now.
In all seriousness, 3 to 13 minutes is fine for sex (and longer than that can start to get uncomfortable for women, too)... but there's no such thing as too much foreplay.