Respuesta :
A natural experiment is an unintended sort of experimental investigation when levels of exposure to a suspected cause vary across a population in a way that is mostly unaffected by outside circumstances, simulating a planned experiment.
The results and effects of policy initiatives can be evaluated through observational studies known as natural experiments. They frequently exist in situations when different governmental, judicial, or social entities have laws, policies, or practices.
An empirical or observational study known as a "natural experiment" involves allowing nature or other forces outside the researchers' control to have an impact on the control and experimental variables of interest rather than manipulating them intentionally.
In a well-known natural experiment, smoking was outlawed for a six-month period in all public locations in Helena, Montana. Later, researchers noted a 60% decrease in heart attacks for the study region while the ban was in place.
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