According to skinner, toddlers with smaller vocabularies have parents who do not talk to them very much.

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Skinner claimed that children learn most of their vocabularies by observing how the language is being used by other people around them. Over years , that children would understand the meaning of each words and how to implement it properly.

From this view, Skinner make the assumption that if the parents do not talk very much, the children would have less vocabularies to observe. This make the children grow up to have smaller vocabularies.

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jefferson hoped to establish trade with the native american people of the west and find a water route to the pacific. jefferson also was fascinated by the prospect of what could be learned about the geography of the west, the lives and languages of the native americans, the plants and animals, the soil, the rocks, the weather, and how they differed from those in the east.