Answer:
B.
Step-by-step explanation:
A descriptive study is one in which information is collected without changing the environment (i.e., nothing is manipulated).
Relatively inexpensive and less time-consuming than analytic studies, they describe,
Patterns of disease occurrence, in terms of: Who gets sick and/or who does not /Where rates are highest and lowest /Temporal patterns of disease
Data provided are useful for: Public health administrators (for allocation of resources) / Epidemiologists (first step in risk factor determination)
It is used to obtain information concerning the current status of the phenomena to describe "what exists" with respect to variables or conditions in a situation. Present trends, beliefs, public mind, their viewpoint and attitudes, their effects or development of new trends are described.