Flashcards in Study types Deck (6)
What is a cross-sectional study? What does it ask? Measure?
Collects data from a group of people to assess frequency of disease and related risk factors a particular point in time. Asks what is happening.
What do cross-sectional studies show?
Just a risk factor association with disease but no causality.
Case series track subjects with a known exposure over time. No hypothesis testing; just descriptive.
What does a case-control study ask?
What does a cohort study ask?
Who will develop the disease or who developed the disease?