Discussion Board 9.1A: The Thirty-Million-Word-Gap 1) Read the article “The Earl
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Discussion Board 9.1A: The Thirty-Million-Word-Gap 1) Read the article “The Early Catastrophe: The Thirty-Million-Word Gap by Age 3” by Hart and Risley (2003). https://www.aft.org/ae/spring2003/hart_risleyLinks to ...