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Shanice works in a crowded downtown neighborhood.She constantly worries that she left her headlights on after she parked her car in the office building parking ramp,and repeatedly goes back and checks to see that the headlights are turned off before finally arriving at the office,frequently late.Her therapist explains that returning to check whether the car's headlights are turned off so often is a way to reduce the anxiety created by her obsessive thoughts.This is a(n) ____.
Economics
Economics is the social science that studies how individuals, governments, firms, and nations make choices on allocating scarce resources to satisfy their unlimited wants.
Experiments
Scientific procedures undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
Natural Experiments
Observational study setups where the variables of interest change naturally, allowing researchers to study outcomes without direct manipulation.
Laboratory Experiments
Controlled testing environments where researchers manipulate variables to study effects in a lab setting.
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