I teach a swim class for young children and i have recently noticed that the boys have male role models, like big brothers and dads, and the girls look up to sisters and moms. One boy refuses to take any instruction from me, he is three-years-old and will only listen to the male instructors even if he barely knows them. After reading the chapter this all fell into place and i started seeing that boys were more into typical rough play and the girls socialized more and wanted to play fun games where everyone could have fun. I still cannot tell whether or not these behaviors are learned because of the role models they observe or whether they are genetically programmed this way.