How much does a child’s sex determine their behaviour from a very young age? It’s an issue that continues to divide both parents and researchers. While behavioural scientists say that hormones do influence children early on, upbringing and gender expectations have also been shown to play a huge role in where children see their strengths and weaknesses, preferences and dislikes. Many of the differences between women and men can be traced back to the first years of life, which shape how children identify with their gender and which patterns they adopt. As such, the notion of girls being calm and…