Playboy After Hours
October, 1988
X(YAWN)-RatedBack in the good old prevideo, precable days, sex researchers had it easy. They'd set up shop on a college campus and show sexually explicit films to a group of volunteers for half a day. Then they'd talk with the kids to find out which buttons the films had pushed. "The purpose of these studies has never been to get everyone to say, 'Mongolian cluster fucks are great,' " says Philadelphia-based researcher Dr. Tim Perper, author of Sex Signals: The Biology of Love. "T...
