Interventional study is used for:-
CLASSIFICATION OF EPIDEMIOLOGICAL STUDIES: 1. OBSERVATIONAL STUDIES: - Descriptive studies - Hypothesis formation is done - Analytical studies - Hypothesis testing is done by coho study/ case-control / cross-sectional/ Ecological studies. 2. EXPERIMENTAL/ INTERVENTIONAL STUDIES: - Hypothesis confirmation is done - Done by clinical trials/ RCT's / Field trials/ Community trials.
Hypothesis Formulation
Hypothesis Testing
Hypothesis Confirmation
Hypothesis Manipulation
Classification, Coho Study