Study Design

Question 0

What study design starts by identifying outcomes then looks back for exposure?

Answer 0

Case-Control Study

Exposure <- [Outcome]

Question 1

Which cross-sectional study starts by identifying exposure and then looking at outcomes?

Answer 1

Cohort Study

[Exposure] -> Outcome

Question 2

What are two types of Cross-Sectional studies?

Answer 2

Cohort:
   [Exposure] -> Outcome
and
Case-control: 
   Exposure <- [Outcome]

Question 3

In what type of study are all measurements made at one point in time?

Answer 3

Cross-sectional Study

Question 4

Can cross sectional studies measure incidence or prevalence?

Answer 4

Prevalence

Question 5

Can cross sectional studies establish cause?

Answer 5

No

Question 6

4 key Questions:

Answer 6

Is this an experiment?
   Yes = Trial
Is there a comparison group?
   No = case series or report
Are subjects followed over time?
   No = cross sectional study
Are subjects selected by exposure (cohort) or disease (case-control)