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According to the matching law, in an experiment where a pigeon has to press colored keys to receive food, the percentage of responses emitted on the green key should have been 65% when it was associated with the richer schedule and 15% when it was associated with the poorer schedule. The respective percentages were instead 55% and 10%. This is an example of
Cotton Gin
A machine invented by Eli Whitney in 1793 that quickly and efficiently removes seeds from cotton fibers, revolutionizing the cotton industry.
Lowell "Mill Girls"
Young women who worked in the textile mills in Lowell, Massachusetts, during the early to mid-19th century, often under harsh conditions.
Market Revolution
A period of rapid economic transformation in the United States during the 19th century, characterized by a shift from manual labor and subsistence farming towards a more commercial and industrial economy.
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