The more parents talk to their children, the faster those children’s vocabularies grow and the better their intelligence develops. That might seem blindingly obvious, but it took until 1995 for science to show just how early in life the difference begins to matter. In that year, behavior analysts Betty Hart and Todd Risley of the University of Kansas published the results of a decade-long study in which they had looked at how, and how much.
Children living in poverty may hear only 10 millions words by age 3, compared to 33 million words for higher-income kids. Learn how you can support quality early childhood education at GrowAmericaStronger.org.