In a 2015 study at the Department of Psychology at NTNU, women reported that men often misinterpret their signals of friendliness as sexual interest. Conversely, the men in the study reported that women often misinterpret their signals of sexual interest as friendliness.⁠ ⁠ "The results are no surprise, seen from an evolutionary perspective," researcher Mons Bendixen explains. "The fascinating thing is that our results are identical to a study done in the USA, even though Norway is one of the most gender-equal, sexually liberal countries in the world."⁠ In most areas of psychology, there is little to no difference between genders: mental capacity, intellectual achievements, food preferences -- men and women are all more or less the same. But when it comes to reproduction and challenges related to finding a sexual partner, there are suddenly differences to be found.⁠ ⁠ Evolutionary psychology is the study of how the human mind has evolved, developed, and adapted over time. One thing tha...