The one reason is to limit the power of Federal Government.
This division of authority is referred to as "federalism". The <em>Federal government</em> is very strong, with much power over the states, but at the same time, it is limited to the powers enumerated in the constitution. Powers not delegated to the <em>Federal government</em>, nor prohibited to the <em>States</em> are reserved to the states or to the people.
Answer:
Lacks random assignment
Explanation:
the researcher may not Be able to establish valid causal relationships as the study lacks random assignment in that participants do not get equal opportunity of being assigned to groups. Random assignment means the researcher applies chance in assigning participants to groups such that the study is not biased and causal relationships are not affected. For example if a participant does not get to choose his group, the researcher randomly flips a coin to assign him to a group and so there is an uncorrupted result in findings
I dont really understanding
Self interest helps achieve society's economic goals because it encourages each economic agent to look for maximum benefits at the minimum cost possible
In economics, self-interest is the idea that the best economic benefit for all can usually be accomplished when individuals act in their own self-interest.
Self-interest refers to actions that elicit personal benefit. Adam Smith, the father of modern economics, explains that individuals usually benefit most from acting in their own interests. According to his theory, the Invisible Hand creates goods and services that benefit both producers and consumers when dozens or even thousands act in their own self-interest.
Economies in which goods and services can be freely exchanged are characterized by self-interest and competition. As a result of these forces, good and services supply and demand as well as their value are influenced.
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