Research into the determinants of gender identity may do more harm than good In 1975 psychiatrist Robert Stoller of the University of California, Los Angeles, wrote something bizarre in his textbook on sex and gender. He asserted that people who were assumed to be boys when they were born but whose gender identity or expression did not match that assumption “often have pretty faces, with fine hair, lovely complexions, graceful movements, and—especially—big, piercing, liquid eyes.” Based on this observation, he suggested a theoretical model in which transgender girls become transgender because they are especially cute. Society treats them more like...