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Which of the following is a method by which users interact with an information system?
Economists
Professionals or academics who study the production, distribution, and consumption of goods and services.
Psychology
The scientific study of the human mind, behavior, and processes associated with how people think, feel, and interact with their environment.
Arrow's Impossibility Theorem
A theory in social choice stating that no rank-order voting system can convert the ranked preferences of individuals into a community-wide complete and transitive ranking without violating one of the criteria necessary for a fair vote.
Median Voter Theorem
A principle in political science proposing that the outcome of a majority vote is most likely to match the preferences of the median voter, assuming voters can be placed along a single-dimensional policy space.
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