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Methodology Series Module 7: Ecologic Studies and Natural Experiments
In this module, we have discussed study designs that have not been covered in the previous modules – ecologic studies and natural experiments. In an ecologic study, the unit of analysis is a group or aggregate rather than the individual. It may be the characteristics of districts, states, or countri...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Medknow Publications & Media Pvt Ltd
2017
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5286749/ https://www.ncbi.nlm.nih.gov/pubmed/28216721 http://dx.doi.org/10.4103/0019-5154.198048 |