Study Designs Flashcards
What are two categories that epi studies can be broken down to?
Descriptive studies
Analytic Studies
What are descriptive studies?
these studies deals with the distribution of disease, in other words they deal with disease frequency
What are analytic studies?
These studies deals with determinants of diseases. in other words, they look at causal relationships between outcome and exposure! we test hypotheses
What is the main difference between analytic and descriptive studies?
the ability to draw comparisons between groups
What is another way we can think of descriptive and analytic studies?
we can think of them as observational and experimental studies
What is an observational study
a study that examines conditions and events that already occurred or will occur anyway
what is an experimental study?
study in which condition are under direct control the investigator