The 30 Million Word Gap
A key finding from Hart and Risley's research is the '30 million word gap.' By age three, children from high-income families have been exposed to an estimated 30 million more words than their peers from low-income families. This significant disparity in language exposure also results in high-income toddlers possessing a vocabulary nearly twice the size of their low-income counterparts.
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The 30 Million Word Gap
A developmental psychologist is reviewing a landmark longitudinal study that analyzed thousands of hours of parent-child interactions within the home across different income levels. The study's goal was to understand the origins of early language progression. Based on the primary findings of this specific research, which of the following conclusions is most strongly supported?
A developmental researcher is conducting home observations of several families with infants, spanning a wide range of income levels. The goal is to examine the early language environment. Based on the findings of the foundational longitudinal study that analyzed thousands of hours of parent-child interactions, which pattern would the researcher most likely predict?