basic epidemiological studies

Question 1

Ecological

Answer 1

comparing different places and their geography.

Question 2

Cross sectional

Answer 2

survey that’s done once during a specific time.

Question 3

Case control

Answer 3

comparing people with and without disease to find what caused the disease.

Question 4

Cohort

Answer 4

comparing people with and without exposure to risk factors and see what happened to each.

Question 5

Randomized controlled trial

Answer 5

human experiment. People get randomly assigned to an experimental or controlled group.

Question 6

Quasi experiment

Answer 6

human experiment. People get assigned based on a criteria which already exists. Might be assigning subjects based on a case definition.