Question

Researchers reviewed the insurance records of 3,250 workers at the Happy Days Rubber Duck Manufacturing Plant who worked at the plant for at least 20 years as of December 15, 1977. Of these workers 1,210 were occupationally exposed to asbestos and the remainder was not. A subsequent search of these workers' death records found that 675 workers exposed to asbestos had died from lung related diseases. This is an example of a(n)

Answer 1

This is an example of an epidemiological study that shows the association between occupational asbestos exposure and lung-related diseases.

Step-by-step explanation:

This is an example of an epidemiological study. Researchers reviewed the insurance records of 3,250 workers at the Happy Days Rubber Duck Manufacturing Plant who worked at the plant for at least 20 years as of December 15, 1977. Of these workers, 1,210 were occupationally exposed to asbestos and the remainder was not.

A subsequent search of these workers' death records found that 675 workers exposed to asbestos had died from lung-related diseases. This study provides evidence of the association between occupational asbestos exposure and lung-related diseases.