Back to Module Introduction to Study Design 0% Complete 0/0 Steps Getting Started Overview 1 Quiz Exercises: Overview Measures of Disease Occurrence & Association 5 Topics | 1 Quiz Incidence proportion/risk Incidence rate Prevalence Absolute measures of association Relative measures of association Exercises: Measures of occurrence & association Trials & Meta-Analyses 4 Topics | 1 Quiz What is a clinical trial? Phases of drug trials Trial design & analysis Meta-analysis Exercises: Trials & meta-analyses Observational Studies 4 Topics | 1 Quiz Cohort studies Case-control analyses Cross-sectional studies Ecologic studies Exercises: Observational studies Bias 3 Topics | 1 Quiz What is bias? Selection bias Information bias Exercises: Bias Confounding 3 Topics | 1 Quiz Properties of a confounder Addressing confounding Types of confounding Exercises: Confounding References Additional Resources Participants 174 Aine Alexandra Ayodele Mohammad abedi72 Show more Introduction to Study Design Confounding Types of confounding Section 7, Topic 3 In Progress ← Previous Next→ Types of confounding Section Progress 0% Complete