Question

Residents of three villages with three different types of water supply were asked to participate in a survey to identify cholera carriers. Because several cholera deaths had occurred recently, virtually everyone present at the time underwent examination. The proportion of residents in each village who were carriers was computed and compared. What is the proper classification for this study?a. Cross-sectional studyb. Case-control studyc. Prospective cohort studyd. Retrospective cohort studye. Experimental study

Answer 1

a. Cross-sectional study

Step-by-step explanation:

Cross-sectional study -

It is the method to study , a group of people belonging to various subgroups or varieties , against a particular subject , is known as cross - sectional study .

Similarly in the question ,

The survey was done for the disease cholera , ad three groups of people are involved in that .

Hence , from the question ,

The correct term for the given statement is Cross - sectional study .