Question

A ____________ study is a type of observational study design that truly measures incidence of the outcome in individuals.

Group of answer choices

A. cohort

b. ecological

c.cross-sectional

d. case-control

Answer 1

A cohort study is a type of study of observational study design that truly measures incidence of outcome in an individual.

Thus option A is correct

Whereas other options are incorrect because option b ecological studies measures incidence of outcome but not in individual , it occur in group or large population.

Option c is also incorrect as in cross section study prevalence health outcomes occur and not incidence as it is snap shot and incidence outcome is not possible.

Option d case control is also incorrect as in it outcome of exposure or non exposed cases or controlled are found and not measures incidence of outcome

Thus Correct option is option A - cohort

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