At higher level of academic life, students are assigned dissertation to submit within due date. Dissertation is a long thesis based academic paper which requires drawing the years of study and research in to the single piece of work is not an easy job to perform.
Define descriptive epidemiology. Describe uses strengths, and limitations of selected descriptive study designs such as ecologic study, case report, case series, and cross sectional survey. Define ration, proportion, and rate. Distinguish between crude and be able to calculate age adjusted rates using either the direct or the indirect method. Define standardized morbidity (or mortality) ration.