Study design methodology in neurosurgical research

Abstract Background Medical research has evolved from individual expert-described opinions and techniques to scientifically designed methodology-based studies. There are different study designs, selecting an appropriate design is critical appropriately answer the question being investigated. Main body A may be addressed using approaches that can descriptive, analytical, or experimental. The choice of influenced by features as related exposure (intervention) disease (outcome); considerations time, resources, ethics gaps in scientific knowledge remain filled. purpose this review provide overview basic designs it foundation neurosurgical valid evidence. Conclusion Quality begins with a clear hypothesis well-formulated design. This entails thorough understanding choose best suited investigated question.