title: Design and data analysis 1 study design.
abstract: This article is intended to give the reader guidance in evaluating different study designs used in medical research for better scientific quality, reliability and validity of their research. This article explains three main types of study designs with understanding examples. Care and caution with skills and experience needed to design suitable studies and appropriate design coupled with reliable sampling techniques and appropriate statistical analysis, supported by clear objectives with decent communication of the findings, are essential for good research.
authors.affiliation: Department of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
authors.forename: Karthik
authors.initials: K
authors.lastname: Suresh
authors.forename: Geetha
authors.initials: G
authors.lastname: Suresh
authors.forename: Sanjeev V
authors.initials: SV
authors.lastname: Thomas