Slide 2:
Magdy Ibrahim Intervention Yes No Observational Experimental
Slide 3:
Magdy Ibrahim Experimental Groups are randomized Groups are not randomized RCT Non RCT
Slide 4:
Magdy Ibrahim No intervention Single
group Comparison
Group(s) Descriptive Analytical
Slide 5:
Magdy Ibrahim Observational Prospective Retrospective Cohort Case-Control No FU Cross sectional
Slide 6:
Magdy Ibrahim