Any child may go through periods during which they become less outspoken with their parents or teachers. But girls, like boys, live in many different worlds - they have their friends and their classroom and their parents - and within these different domains, they may have different levels of expressiveness.
Hillary Clinton appears to believe in a form of stoicism - which is a tried and true life philosophy.
So far there has been little discussion among gender scholars about the need to engage with skeptics. They tend to view skeptics and dissenters as cranks.
"Marginalized others" have access to other ways of knowing, and therefore to deeper, more authentic truths about human reality. They can share that knowledge by speaking about their lived experience while in a safe space. But to provide this kind of safety, members of privileged groups, i.e. white, able-bodied, cis-gendered middle class men, must keep quiet.
Even the most independent and spirited young women can become humorless, self-absorbed, and fearful. It's a terrible preparation for life.
In reality, American girls are among the most outspoken, ambitious, successful girls in the history of the human race.
I don't think anyone will deny that girls are academically superior as a group.
Harvard produces leaders. People with Harvard degrees go on to become administrators in high-level positions in state educational departments and in public schools around the country.