Observational Studies
9:41
Diagnostic Testing Accuracy
20:38
Study Design - Case-control study, Cross-sectional study, Cohort study (Prospective, Retrospective)
34:48
Epidemiology: Observational Study Types, Odds Ratio, Relative Risk, Attributable Risk
57:02
4. Descriptive and Analytical Studies | CPP NCD Epidemiology
7:33
Case control and cohort studies
7:18
Case Control, Retrospective Cohort & Prospective Cohort Studies
13:51
Randomization (random allocation)
15:21