Retrospective Cohort Study Design, Applications, and Significance in Epidemiological Research Introduction A retrospective cohort study is a powerful observational study design used extensively in epidemiology and clinical research. Unlike prospective studies, which follow participants into the future, retrospective cohort studies look backward […]
Understanding Cross-Sectional Studies: Design, Application, and Limitations Introduction In the realm of epidemiological and public health research, study design plays a pivotal role in determining the validity, reliability, and interpretability of results. Among the various observational study designs, the cross-sectional study […]