Epidemiologists are scientists who study diseases within populations of people.
In essence, these public health professionals analyze what causes disease outbreaks in order to treat existing diseases and prevent future outbreaks.
What are the 3 major types of epidemiologic studies?
Three major types of epidemiologic studies are cohort, case-control, and cross-sectional studies (study designs are discussed in more detail in IOM, 2000). A cohort, or longitudinal, study follows a defined group over time.
What does an epidemiologist do?
Epidemiologists are public health professionals who investigate patterns and causes of disease and injury in humans. They seek to reduce the risk and occurrence of negative health outcomes through research, community education and health policy.
What is the salary of a epidemiologist?
What is distribution disease?
Distribution. Epidemiology is concerned with the frequency and pattern of health events in a population: The resulting rate allows epidemiologists to compare disease occurrence across different populations. Pattern refers to the occurrence of health-related events by time, place, and person.
What are the 10 types of research?
General Types of Educational Research
- Descriptive — survey, historical, content analysis, qualitative (ethnographic, narrative, phenomenological, grounded theory, and case study)
- Associational — correlational, causal-comparative.
- Intervention — experimental, quasi-experimental, action research (sort of)
Which is the most powerful epidemiological study?
Randomized, controlled clinical trials are the most powerful designs possible in medical research, but they are often expensive and time-consuming. Well-designed observational studies can provide useful insights on disease causation, even though they do not constitute proof of causes.