It's an interesting point about sisters not getting the same attention as parents and children, and even brothers. I suspect it's just because women didn't count that much and weren't the ones writing the accounts.

One of the first studies in the field of gender and language, by Don H. Zimmerman and Candace West in 1975, found that in casual conversations between women and men, women were interrupted far more often.

In the past, great communicators were great orators, but great communicators today sound conversational, and interrupting is common in conversation. And public discourse is now more about entertainment than enlightenment.

Deborah Tannen Quotes