Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children ...

By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents. (Betty Hart)

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Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.

Betty Hart Quotes: By the time they are 4 years old, children from poor families have heard 32 million fewer words than children with professional parents.