Marge's study is typical of the "Correlational" method of research.
In general, a correlational study refers to a quantitative technique for research in which you have at least 2 quantitative factors from a similar gathering of members, and you are endeavoring to decide whether there is a relationship between the 2 factors.
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The modern United States has also been described as an oligarchy because economic elites and organized groups representing special interests have substantial independent impacts on U.S. government policy, while average citizens and mass-based interest groups have little or no independent influence.
<span>In making a good business decision; the marginal benefit is the extra profit you make from producing more goods, while marginal cost is the expense of producing them.</span>