Type of study is selected according to the purpose of research.
{"Image DocumentName": "Type of study is selected according to the purpose of research.", "Image ImageDescription": "Hierarchy of Studies. Type of study is selected according to the purpose of research. If you want to control the status of an exposure or intervention, in order to examine causality or effectiveness, choose an experimental study. If you want to make inferences about a population based on a sample, or look at the association between variables, choose an analytic study. If you want to describe a population, choose a descriptive study. INFORMATION.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}