Dilemma of “Randomized Controlled Trial” and “Observational Study” in conducting health research

Abstract

Research is a study conducted to prove a specifi question or hypothesis. The researcher is any person who engages in the conceptualization of research, study design, data collection, and management of the study concerned. The researcher must have a clear and defiite research question in mind which can make a useful contribution to the scientifi evidence before is formulated