Let's Stop Talking About The '30 Million Word Gap'
It's one of the most famous studies ever done on kids. It's often cited as a reason children from poor families struggle in school. But it may be neither 30 million words, nor exactly a gap.
Đọc thêm tại NPR
at June 1, 2018 at 05:00PM
Health & Science
Thứ Sáu, 1 tháng 6, 2018
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