Kamenetz, A. (2018, June 01). Let’s Stop Talking About The ’30 Million Word Gap’. Retrieved July 16, 2018

The assertion that children who grow up in poverty hear 30 million fewer words than their peers by age 3 is based on a 1992 study that may not be accurate, according to some researchers who recently replicated the study. They used a digital recording device rather than in-person interviews and found the gap was smaller — about 4 million words by age 4.

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