Describe four features which an epidemiological study must have to be valid?

Answer 1

If you are cramming for an exam or preparing for a Young Epidemiology Scholars (YES) competition this probably wont help enough, but wouldn’t an epidemiological study require scientific method like any other type of study.

I). The scientific method has four steps

1. Observation and description of a phenomenon or group of phenomena.

2. Formulation of an hypothesis to explain the phenomena.

3. Use of the hypothesis to predict the existence of other phenomena, or to predict quantitatively the results of new observations.

4. Performance of experimental tests of the predictions by several independent experimenters and properly performed experiments (publication and review by peers).

Answer 2

An Epidemiological study is a statistical study on human populations, which attempt to link human wellbeing outcomes to a particular reason. The artwork of communicable and non-communicable ailment epidemiologists stages from (a million) outbreak learn, (2) to check layout, (3) documents sequence and (4) prognosis alongside with the form of statistical fashions to attempt hypotheses and the 'writing-up' of outcomes for submission to work out reviewed journals.