Community members of five towns with five different types of water supplies were asked to participate in a survey to identify giardia carriers. Because several giardia deaths had occurred recently, virtually everyone present at the time underwent examination. The epidemiologist calculated the proportion of residents in each village who were carriers. What is the proper classification for this study?
Group of answer choices
Retrospective cohort study
Cross-sectional study
Case-control study
Prospective cohort study
Experimental study
Proper classification of this study should be (a) diseased (b) non diseased (c) carrier .
Retrospective cohort study is also called as longitudinal cohort study .
Cross sectional study is a type of observational study that analyse the data from a population or a representative subset, at specific point in time.
A case control study is a type of observational study in which two existing group differing in outcome are identified And compared on the basis of some supposed casual attitude.
Community members of five towns with five different types of water supplies were asked to participate...