The researchers don’t know for sure why women are the more talkative gender during the near-40-year stretch between 25 and 64, but they say one possibility is that those tend to be the child rearing years, and women, who often assume the role of primary caregiver,

They really seem to be reaching on this one. I don't think anyone, if asked to define child rearing years, would stretch those years out until 64. Also, 40 years is a significant percentage of average lifespans.

The whole article seems to be trying really hard to not come to the conclusion that most people would naively assume to be correct.

All I know is I talk less than everyone I talk to but text more than anyone I text with. I'd be interested in studies that 1. I don't have to pay to read, and 2. Take into account other forms of communication.