Study Designs

Question 1

Both the outcome and the exposure are determined simultaneously

Prevalence of the disease or condition is determined

Answer 1

Cross-sectional Study

Question 2

The researcher selects a group of exposed and another group of unexposed individuals and follows through time to determine whether a particular outcome of interest will occur

Answer 2

Cohort or Prospective Study

Question 3

The outcome of interest is already determined at the time the study is initiated

Answer 3

Retrospective Study aka Case-Control Study

Question 4

Researchers decides randomly as to which participants and the trial receive the new treatment and placebo or fake treatment

The Gold standard for clinically testing treatments and drugs

Answer 4

Randomized Controlled Trials

Question 5

Statistical analysis that summarizes of multiple scientific studies

Answer 5

Meta-analysis