A nurse identifies an unusual incidence of acute lymphocytic leukemia (ALL)in school-age children in a nearby community and conducts a study to examine exposure to a variety of water pollutants from a local industry.This is an example of a
A) phenomenological study.
B) qualitative study.
C) prospective cohort study.
D) retrospective cohort study.

Question

Quizplus · Accepted Answer

A retrospective cohort study is an epidemiologic study in which the researcher identifies a group of people who have experienced a particular event and examines possible previous causes for this event.Qualitative and phenomenological studies are nonexperimental studies to examine attributes of groups of subjects.A prospective cohort study is an epidemiologic study in which the researcher identifies a group of people who are at risk for a condition and follows them over time.

A Nurse Identifies an Unusual Incidence of Acute Lymphocytic Leukemia