Sex unrecognizable – The researchers compared the behavior of men and women in many activities and come to the conclusion that from a psychological point of view of both sexes do not differ almost at all. Gender does not matter when solving math problems, argue or have fun with friends. Psychologist Bobbi Carothers, of the Institute for Public Health at Washington University in St. Louis analyzed data from 13 different studies over the past several decades. It was attended by over 13 thousand. volunteers. The researcher applied a variety of techniques, psychological and sociological. She concluded that the anonymous polls, you almost can not tell whether a questionnaire filled man or woman.